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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2190546.pdf | 722 kB | Shaun Ewing | Feb 13, 1940 00:00 |
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US-2190546-A // Control circuit for radio receivers // Laube Otto Theodore // American Telephone & Telegraph | |||
| Version 1 (current) | 722 kB | Shaun Ewing | Feb 13, 1940 00:00 | US-2190546-A // Control circuit for radio receivers // Laube Otto Theodore // American Telephone & Telegraph | ||||
| PDF File 2190552.pdf | 352 kB | Shaun Ewing | Feb 13, 1940 00:00 |
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US-2190552-A // Gas tube circuit // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Feb 13, 1940 00:00 | US-2190552-A // Gas tube circuit // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2198517.pdf | 1.50 MB | Shaun Ewing | Apr 23, 1940 00:00 |
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US-2198517-A // Printing telegraph private branch exchange system // Singer Fred John // American Telephone & Telegraph | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Apr 23, 1940 00:00 | US-2198517-A // Printing telegraph private branch exchange system // Singer Fred John // American Telephone & Telegraph | ||||
| PDF File 2198550.pdf | 301 kB | Shaun Ewing | Apr 23, 1940 00:00 |
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US-2198550-A // Teletypewriter tape wiper // Mathews Eric Barry // American Telephone & Telegraph | |||
| Version 1 (current) | 301 kB | Shaun Ewing | Apr 23, 1940 00:00 | US-2198550-A // Teletypewriter tape wiper // Mathews Eric Barry // American Telephone & Telegraph | ||||
| PDF File 2201089.pdf | 314 kB | Shaun Ewing | May 14, 1940 00:00 |
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US-2201089-A // Coin collecting apparatus // Hancock Charles Marion // American Telephone & Telegraph | |||
| Version 1 (current) | 314 kB | Shaun Ewing | May 14, 1940 00:00 | US-2201089-A // Coin collecting apparatus // Hancock Charles Marion // American Telephone & Telegraph | ||||
| PDF File 2206453.pdf | 1.25 MB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206453-A // Telegraph testing apparatus // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206453-A // Telegraph testing apparatus // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 2207314.pdf | 1.35 MB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2207314-A // Communication system // Cunningham Harold Jerome ; Groome Preston Edmund ; Hanley Frank Harold ; Richards Kenneth Watson // American Telephone & Telegraph | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207314-A // Communication system // Cunningham Harold Jerome ; Groome Preston Edmund ; Hanley Frank Harold ; Richards Kenneth Watson // American Telephone & Telegraph | ||||
| PDF File 2208164.pdf | 724 kB | Shaun Ewing | Jul 16, 1940 00:00 |
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US-2208164-A // Registering device // Sageman Edward Augustus // American Telephone & Telegraph | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208164-A // Registering device // Sageman Edward Augustus // American Telephone & Telegraph | ||||
| PDF File 2208168.pdf | 400 kB | Shaun Ewing | Jul 16, 1940 00:00 |
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US-2208168-A // Teletypewriter apparatus // Skibsted Wesley George // American Telephone & Telegraph | |||
| Version 1 (current) | 400 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208168-A // Teletypewriter apparatus // Skibsted Wesley George // American Telephone & Telegraph | ||||
| PDF File 2208192.pdf | 432 kB | Shaun Ewing | Jul 16, 1940 00:00 |
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US-2208192-A // Teletypewriter system // Martin Wade B. // American Telephone & Telegraph | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208192-A // Teletypewriter system // Martin Wade B. // American Telephone & Telegraph | ||||
| PDF File 2208953.pdf | 744 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208953-A // Noise reducing receiving system // Jr. Edward Henry Weber, // American Telephone & Telegraph | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208953-A // Noise reducing receiving system // Jr. Edward Henry Weber, // American Telephone & Telegraph | ||||
| PDF File 2212290.pdf | 582 kB | Shaun Ewing | Aug 20, 1940 00:00 |
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US-2212290-A // Apparatus for transferring cable circuits // Fisher Donald ; Parker George Blaine ; Parker Lloyd L. ; Meehan John Phillip // American Telephone & Telegraph | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Aug 20, 1940 00:00 | US-2212290-A // Apparatus for transferring cable circuits // Fisher Donald ; Parker George Blaine ; Parker Lloyd L. ; Meehan John Phillip // American Telephone & Telegraph | ||||
| PDF File 2213105.pdf | 378 kB | Shaun Ewing | Aug 27, 1940 00:00 |
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US-2213105-A // Radio control system // Laube Otto Theodore // American Telephone & Telegraph | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Aug 27, 1940 00:00 | US-2213105-A // Radio control system // Laube Otto Theodore // American Telephone & Telegraph | ||||
| PDF File 2213363.pdf | 409 kB | Shaun Ewing | Sept 03, 1940 00:00 |
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US-2213363-A // Means for lashing cables to supporting strands // Creswell Charles Edward // American Telephone & Telegraph | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Sept 03, 1940 00:00 | US-2213363-A // Means for lashing cables to supporting strands // Creswell Charles Edward // American Telephone & Telegraph | ||||
| PDF File 2216650.pdf | 268 kB | Shaun Ewing | Oct 01, 1940 00:00 |
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US-2216650-A // Telephone line // Nelson Charles Francis // American Telephone & Telegraph | |||
| Version 1 (current) | 268 kB | Shaun Ewing | Oct 01, 1940 00:00 | US-2216650-A // Telephone line // Nelson Charles Francis // American Telephone & Telegraph | ||||
| PDF File 2221129.pdf | 1.57 MB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2221129-A // Telegraph distortion measuring system // Cowan Frank Augustus ; Rhodes Harold Anson // American Telephone & Telegraph | |||
| Version 1 (current) | 1.57 MB | Shaun Ewing | Nov 12, 1940 00:00 | US-2221129-A // Telegraph distortion measuring system // Cowan Frank Augustus ; Rhodes Harold Anson // American Telephone & Telegraph | ||||
| PDF File 2221136.pdf | 611 kB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2221136-A // Telegraph system // Harms Gordon John // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Nov 12, 1940 00:00 | US-2221136-A // Telegraph system // Harms Gordon John // American Telephone & Telegraph | ||||
| PDF File 2224250.pdf | 959 kB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224250-A // Communication system // Borgeson Carl Anders ; Carter Frank J. ; Drake George Robert ; Groome Preston Edmund ; Hanley Frank Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 959 kB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224250-A // Communication system // Borgeson Carl Anders ; Carter Frank J. ; Drake George Robert ; Groome Preston Edmund ; Hanley Frank Harold // American Telephone & Telegraph | ||||
| PDF File 2224275.pdf | 441 kB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224275-A // Apparatus for producing a current // Rougvie James Ferguson // American Telephone & Telegraph | |||
| Version 1 (current) | 441 kB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224275-A // Apparatus for producing a current // Rougvie James Ferguson // American Telephone & Telegraph | ||||
| PDF File 2224277.pdf | 549 kB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224277-A // Antenna selector switch // Talley Robert Roark // American Telephone & Telegraph | |||
| Version 1 (current) | 549 kB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224277-A // Antenna selector switch // Talley Robert Roark // American Telephone & Telegraph |
