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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2278702.pdf | 637 kB | Shaun Ewing | Apr 07, 1942 00:00 |
|
US-2278702-A // Telephone circuit // Knittle Gale Leonard // American Telephone & Telegraph | |||
| Version 1 (current) | 637 kB | Shaun Ewing | Apr 07, 1942 00:00 | US-2278702-A // Telephone circuit // Knittle Gale Leonard // American Telephone & Telegraph | ||||
| PDF File 2414609.pdf | 634 kB | Shaun Ewing | Jan 21, 1947 00:00 |
|
US-2414609-A // Electrical testing system // Rheubottom Willard C. // American Telephone & Telegraph | |||
| Version 1 (current) | 634 kB | Shaun Ewing | Jan 21, 1947 00:00 | US-2414609-A // Electrical testing system // Rheubottom Willard C. // American Telephone & Telegraph | ||||
| PDF File 2985720.pdf | 628 kB | Shaun Ewing | May 23, 1961 00:00 |
|
US-2985720-A // Trunk concentrator // Jr. William C. Twomey, // American Telephone & Telegraph | |||
| Version 1 (current) | 628 kB | Shaun Ewing | May 23, 1961 00:00 | US-2985720-A // Trunk concentrator // Jr. William C. Twomey, // American Telephone & Telegraph | ||||
| PDF File 2300035.pdf | 624 kB | Shaun Ewing | Oct 27, 1942 00:00 |
|
US-2300035-A // Means for suspending aerial cables // Neale Dory Jacob // American Telephone & Telegraph | |||
| Version 1 (current) | 624 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300035-A // Means for suspending aerial cables // Neale Dory Jacob // American Telephone & Telegraph | ||||
| PDF File 3379838.pdf | 620 kB | Shaun Ewing | Apr 23, 1968 00:00 |
|
US-3379838-A // Telephone dial tone delay measuring circuit // Jr. James W. Watkins, // American Telephone & Telegraph | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Apr 23, 1968 00:00 | US-3379838-A // Telephone dial tone delay measuring circuit // Jr. James W. Watkins, // American Telephone & Telegraph | ||||
| PDF File 2750446.pdf | 620 kB | Shaun Ewing | Jun 12, 1956 00:00 |
|
US-2750446-A // Code translating device // Martin Wade B. // American Telephone & Telegraph | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Jun 12, 1956 00:00 | US-2750446-A // Code translating device // Martin Wade B. // American Telephone & Telegraph | ||||
| PDF File 2358594.pdf | 620 kB | Shaun Ewing | Sept 19, 1944 00:00 |
|
US-2358594-A // Telephone broadcast system // Rhoads Charles Stanley // American Telephone & Telegraph | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Sept 19, 1944 00:00 | US-2358594-A // Telephone broadcast system // Rhoads Charles Stanley // American Telephone & Telegraph | ||||
| PDF File 2345929.pdf | 619 kB | Shaun Ewing | Apr 04, 1944 00:00 |
|
US-2345929-A // Conductor laying machine // Freeman Albert Edward // American Telephone & Telegraph | |||
| Version 1 (current) | 619 kB | Shaun Ewing | Apr 04, 1944 00:00 | US-2345929-A // Conductor laying machine // Freeman Albert Edward // American Telephone & Telegraph | ||||
| PDF File 2397884.pdf | 618 kB | Shaun Ewing | Apr 02, 1946 00:00 |
|
US-2397884-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397884-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | ||||
| PDF File 2248923.pdf | 614 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2248923-A // Communication system // Hanley Frank Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 614 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2248923-A // Communication system // Hanley Frank Harold // American Telephone & Telegraph | ||||
| PDF File 2257592.pdf | 613 kB | Shaun Ewing | Sept 30, 1941 00:00 |
|
US-2257592-A // Directional monitoring system // Buxton Bentley Leo // American Telephone & Telegraph | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Sept 30, 1941 00:00 | US-2257592-A // Directional monitoring system // Buxton Bentley Leo // American Telephone & Telegraph | ||||
| PDF File 2300007.pdf | 612 kB | Shaun Ewing | Oct 27, 1942 00:00 |
|
US-2300007-A // Telegraph system // Richards Kenneth Watson // American Telephone & Telegraph | |||
| Version 1 (current) | 612 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300007-A // Telegraph system // Richards Kenneth Watson // American Telephone & Telegraph | ||||
| PDF File 2257677.pdf | 611 kB | Shaun Ewing | Sept 30, 1941 00:00 |
|
US-2257677-A // Printing telegraph system // Goodwin Clayton // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Sept 30, 1941 00:00 | US-2257677-A // Printing telegraph system // Goodwin Clayton // American Telephone & Telegraph | ||||
| PDF File 2397885.pdf | 609 kB | Shaun Ewing | Apr 02, 1946 00:00 |
|
US-2397885-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397885-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | ||||
| PDF File 3275754.pdf | 608 kB | Shaun Ewing | Sept 27, 1966 00:00 |
|
US-3275754-A // Call distributing circuit // Howell Jesse O. ; Macleod Donald A. // American Telephone & Telegraph | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Sept 27, 1966 00:00 | US-3275754-A // Call distributing circuit // Howell Jesse O. ; Macleod Donald A. // American Telephone & Telegraph | ||||
| PDF File 4175271.pdf | 606 kB | Shaun Ewing | Nov 20, 1979 00:00 |
|
US-4175271-A // Helical video tape insert recording editing method with flying erase head and servo control // Kaemmerer, Harry // American Telephone And Telegraph | |||
| Version 1 (current) | 606 kB | Shaun Ewing | Nov 20, 1979 00:00 | US-4175271-A // Helical video tape insert recording editing method with flying erase head and servo control // Kaemmerer, Harry // American Telephone And Telegraph | ||||
| PDF File 2625608.pdf | 604 kB | Shaun Ewing | Jan 13, 1953 00:00 |
|
US-2625608-A // Open telegraph line indicator // Hanley Frank Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 604 kB | Shaun Ewing | Jan 13, 1953 00:00 | US-2625608-A // Open telegraph line indicator // Hanley Frank Harold // American Telephone & Telegraph | ||||
| PDF File 2321382.pdf | 600 kB | Shaun Ewing | Jun 08, 1943 00:00 |
|
US-2321382-A // Teletypewriter switching system // Hanley Frank Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Jun 08, 1943 00:00 | US-2321382-A // Teletypewriter switching system // Hanley Frank Harold // American Telephone & Telegraph | ||||
| PDF File 2337886.pdf | 598 kB | Shaun Ewing | Dec 28, 1943 00:00 |
|
US-2337886-A // Telegraph system // Hanley Frank Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Dec 28, 1943 00:00 | US-2337886-A // Telegraph system // Hanley Frank Harold // American Telephone & Telegraph | ||||
| PDF File 2358610.pdf | 598 kB | Shaun Ewing | Sept 19, 1944 00:00 |
|
US-2358610-A // Telegraph signaling system // Jr. Edward Henry Weber, // American Telephone & Telegraph | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Sept 19, 1944 00:00 | US-2358610-A // Telegraph signaling system // Jr. Edward Henry Weber, // American Telephone & Telegraph |
