Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1816917.pdf | 719 kB | Shaun Ewing | Aug 04, 1931 00:00 |
|
US-1816917-A // Apparatus for the measurement of acoustic impedance // Smythe Edwin H. ; Flanders Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Aug 04, 1931 00:00 | US-1816917-A // Apparatus for the measurement of acoustic impedance // Smythe Edwin H. ; Flanders Paul B. // Bell Telephone Labor Inc | ||||
| PDF File 2103481.pdf | 719 kB | Shaun Ewing | Dec 28, 1937 00:00 |
|
US-2103481-A // Signaling system and method // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103481-A // Signaling system and method // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2120994.pdf | 719 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120994-A // Carrier communication system // Tidd Warren H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120994-A // Carrier communication system // Tidd Warren H. // Bell Telephone Labor Inc | ||||
| PDF File 2085079.pdf | 718 kB | Shaun Ewing | Jun 29, 1937 00:00 |
|
US-2085079-A // Cutting device // Broadwell Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 718 kB | Shaun Ewing | Jun 29, 1937 00:00 | US-2085079-A // Cutting device // Broadwell Howard // Bell Telephone Labor Inc | ||||
| PDF File 1961407.pdf | 717 kB | Shaun Ewing | Jun 05, 1934 00:00 |
|
US-1961407-A // Printing telegraph system // Vernam Gilbert S. ; Locke George A. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 717 kB | Shaun Ewing | Jun 05, 1934 00:00 | US-1961407-A // Printing telegraph system // Vernam Gilbert S. ; Locke George A. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2201573.pdf | 717 kB | Shaun Ewing | May 21, 1940 00:00 |
|
US-2201573-A // Telephone system // Carpenter Warren W. ; Kittredge Linus E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 717 kB | Shaun Ewing | May 21, 1940 00:00 | US-2201573-A // Telephone system // Carpenter Warren W. ; Kittredge Linus E. // Bell Telephone Labor Inc | ||||
| PDF File 1812625.pdf | 717 kB | Shaun Ewing | Jun 30, 1931 00:00 |
|
US-1812625-A // Signal monitoring device // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 717 kB | Shaun Ewing | Jun 30, 1931 00:00 | US-1812625-A // Signal monitoring device // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 2185693.pdf | 716 kB | Shaun Ewing | Jan 02, 1940 00:00 |
|
US-2185693-A // Multiplex signaling system // Mertz Pierre // Bell Telephone Labor Inc | |||
| Version 1 (current) | 716 kB | Shaun Ewing | Jan 02, 1940 00:00 | US-2185693-A // Multiplex signaling system // Mertz Pierre // Bell Telephone Labor Inc | ||||
| PDF File 2064475.pdf | 716 kB | Shaun Ewing | Dec 15, 1936 00:00 |
|
US-2064475-A // Electrooptical scanning system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 716 kB | Shaun Ewing | Dec 15, 1936 00:00 | US-2064475-A // Electrooptical scanning system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2033917.pdf | 715 kB | Shaun Ewing | Mar 17, 1936 00:00 |
|
US-2033917-A // Electric wave amplifying system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Mar 17, 1936 00:00 | US-2033917-A // Electric wave amplifying system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1970329.pdf | 715 kB | Shaun Ewing | Aug 14, 1934 00:00 |
|
US-1970329-A // Battery control circuit // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970329-A // Battery control circuit // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1856654.pdf | 715 kB | Shaun Ewing | May 03, 1932 00:00 |
|
US-1856654-A // Terminating circuit for two-way signaling systems // Nebel Charles N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856654-A // Terminating circuit for two-way signaling systems // Nebel Charles N. // Bell Telephone Labor Inc | ||||
| PDF File 1882849.pdf | 714 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882849-A // Frequency control system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882849-A // Frequency control system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2218921.pdf | 714 kB | Shaun Ewing | Oct 22, 1940 00:00 |
|
US-2218921-A // Concentric conductor transmission line // Mueller Louis C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Oct 22, 1940 00:00 | US-2218921-A // Concentric conductor transmission line // Mueller Louis C. // Bell Telephone Labor Inc | ||||
| PDF File 2223506.pdf | 714 kB | Shaun Ewing | Dec 03, 1940 00:00 |
|
US-2223506-A // Wave amplification // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Dec 03, 1940 00:00 | US-2223506-A // Wave amplification // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2028212.pdf | 713 kB | Shaun Ewing | Jan 21, 1936 00:00 |
|
US-2028212-A // Radio transmitting system // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 713 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028212-A // Radio transmitting system // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2065897.pdf | 713 kB | Shaun Ewing | Dec 29, 1936 00:00 |
|
US-2065897-A // Fuse panel // Kenner Arthur ; Smith Charles A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 713 kB | Shaun Ewing | Dec 29, 1936 00:00 | US-2065897-A // Fuse panel // Kenner Arthur ; Smith Charles A. // Bell Telephone Labor Inc | ||||
| PDF File 2069251.pdf | 713 kB | Shaun Ewing | Feb 02, 1937 00:00 |
|
US-2069251-A // Interconnecting telegraph repeater system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 713 kB | Shaun Ewing | Feb 02, 1937 00:00 | US-2069251-A // Interconnecting telegraph repeater system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1871347.pdf | 712 kB | Shaun Ewing | Aug 09, 1932 00:00 |
|
US-1871347-A // Constant speed motor // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 712 kB | Shaun Ewing | Aug 09, 1932 00:00 | US-1871347-A // Constant speed motor // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2034856.pdf | 712 kB | Shaun Ewing | Mar 24, 1936 00:00 |
|
US-2034856-A // Carrier wave transmission system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 712 kB | Shaun Ewing | Mar 24, 1936 00:00 | US-2034856-A // Carrier wave transmission system // Black Harold S. // Bell Telephone Labor Inc |
