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 2084422.pdf | 785 kB | Shaun Ewing | Jun 22, 1937 00:00 |
|
US-2084422-A // Telephone transmission circuit // Wright Sumner Bisbee // American Telephone & Telegraph | |||
| Version 1 (current) | 785 kB | Shaun Ewing | Jun 22, 1937 00:00 | US-2084422-A // Telephone transmission circuit // Wright Sumner Bisbee // American Telephone & Telegraph | ||||
| PDF File 2084121.pdf | 1.16 MB | Shaun Ewing | Jun 15, 1937 00:00 |
|
US-2084121-A // Prepayment telephone system // Anderson Emil N. ; Bascom Henry M. ; Getz Emil L. ; Jr. George Sandalls, // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Jun 15, 1937 00:00 | US-2084121-A // Prepayment telephone system // Anderson Emil N. ; Bascom Henry M. ; Getz Emil L. ; Jr. George Sandalls, // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2083666.pdf | 1.18 MB | Shaun Ewing | Jun 15, 1937 00:00 |
|
US-2083666-A // High frequency signaling system // Potter Ralph Kimball // American Telephone & Telegraph | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Jun 15, 1937 00:00 | US-2083666-A // High frequency signaling system // Potter Ralph Kimball // American Telephone & Telegraph | ||||
| PDF File 2083645.pdf | 425 kB | Shaun Ewing | Jun 15, 1937 00:00 |
|
US-2083645-A // Transmission system // Fracassi Renato Dario // American Telephone & Telegraph | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Jun 15, 1937 00:00 | US-2083645-A // Transmission system // Fracassi Renato Dario // American Telephone & Telegraph | ||||
| PDF File 2082924.pdf | 830 kB | Shaun Ewing | Jun 08, 1937 00:00 |
|
US-2082924-A // Printing telegraph system // Watson Edward Fisk // American Telephone & Telegraph | |||
| Version 1 (current) | 830 kB | Shaun Ewing | Jun 08, 1937 00:00 | US-2082924-A // Printing telegraph system // Watson Edward Fisk // American Telephone & Telegraph | ||||
| PDF File 2082911.pdf | 887 kB | Shaun Ewing | Jun 08, 1937 00:00 |
|
US-2082911-A // Switch // Schneckloth Harry Howard // American Telephone & Telegraph | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Jun 08, 1937 00:00 | US-2082911-A // Switch // Schneckloth Harry Howard // American Telephone & Telegraph | ||||
| PDF File 2082877.pdf | 1.12 MB | Shaun Ewing | Jun 08, 1937 00:00 |
|
US-2082877-A // Multiplex communication signaling system // Durand Samuel Relf // American Telephone & Telegraph | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Jun 08, 1937 00:00 | US-2082877-A // Multiplex communication signaling system // Durand Samuel Relf // American Telephone & Telegraph | ||||
| PDF File 2082104.pdf | 1.12 MB | Shaun Ewing | Jun 01, 1937 00:00 |
|
US-2082104-A // Testing system // Gibson Earl S. ; Hansen Arnold A. ; Worth John B. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Jun 01, 1937 00:00 | US-2082104-A // Testing system // Gibson Earl S. ; Hansen Arnold A. ; Worth John B. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2082077.pdf | 722 kB | Shaun Ewing | Jun 01, 1937 00:00 |
|
US-2082077-A // Selective signaling system // Newby Neal Dow ; Moody Dwight Lyman // American Telephone & Telegraph | |||
| Version 1 (current) | 722 kB | Shaun Ewing | Jun 01, 1937 00:00 | US-2082077-A // Selective signaling system // Newby Neal Dow ; Moody Dwight Lyman // American Telephone & Telegraph | ||||
| PDF File 2082075.pdf | 1008 kB | Shaun Ewing | Jun 01, 1937 00:00 |
|
US-2082075-A // Printing telegraph system // Mowton Edward M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1008 kB | Shaun Ewing | Jun 01, 1937 00:00 | US-2082075-A // Printing telegraph system // Mowton Edward M. // American Telephone & Telegraph | ||||
| PDF File 2081312.pdf | 460 kB | Shaun Ewing | May 25, 1937 00:00 |
|
US-2081312-A // Carrier telegraph system // Thorp Vaughn P. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | May 25, 1937 00:00 | US-2081312-A // Carrier telegraph system // Thorp Vaughn P. // American Telephone & Telegraph | ||||
| PDF File 2080527.pdf | 204 kB | Shaun Ewing | May 18, 1937 00:00 |
|
US-2080527-A // Ladder holder // Bixel Edward Carl // American Telephone & Telegraph | |||
| Version 1 (current) | 204 kB | Shaun Ewing | May 18, 1937 00:00 | US-2080527-A // Ladder holder // Bixel Edward Carl // American Telephone & Telegraph | ||||
| PDF File 2080524.pdf | 605 kB | Shaun Ewing | May 18, 1937 00:00 |
|
US-2080524-A // Paper feeding apparatus for typing devices // Allen Howard D. // American Telephone & Telegraph | |||
| Version 1 (current) | 605 kB | Shaun Ewing | May 18, 1937 00:00 | US-2080524-A // Paper feeding apparatus for typing devices // Allen Howard D. // American Telephone & Telegraph | ||||
| PDF File 2079723.pdf | 484 kB | Shaun Ewing | May 11, 1937 00:00 |
|
US-2079723-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 484 kB | Shaun Ewing | May 11, 1937 00:00 | US-2079723-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2077537.pdf | 892 kB | Shaun Ewing | Apr 20, 1937 00:00 |
|
US-2077537-A // System for tracing telephone calls // Taylor John W. // American Telephone & Telegraph | |||
| Version 1 (current) | 892 kB | Shaun Ewing | Apr 20, 1937 00:00 | US-2077537-A // System for tracing telephone calls // Taylor John W. // American Telephone & Telegraph | ||||
| PDF File 2077510.pdf | 268 kB | Shaun Ewing | Apr 20, 1937 00:00 |
|
US-2077510-A // Spring contact gauge // Boehler John D. ; Sidur Robert Alexander // American Telephone & Telegraph | |||
| Version 1 (current) | 268 kB | Shaun Ewing | Apr 20, 1937 00:00 | US-2077510-A // Spring contact gauge // Boehler John D. ; Sidur Robert Alexander // American Telephone & Telegraph | ||||
| PDF File 2076651.pdf | 339 kB | Shaun Ewing | Apr 13, 1937 00:00 |
|
US-2076651-A // Telephone system // Kuhn George William // American Telephone & Telegraph | |||
| Version 1 (current) | 339 kB | Shaun Ewing | Apr 13, 1937 00:00 | US-2076651-A // Telephone system // Kuhn George William // American Telephone & Telegraph | ||||
| PDF File 2076637.pdf | 370 kB | Shaun Ewing | Apr 13, 1937 00:00 |
|
US-2076637-A // Telephone substation apparatus // Harlow Leonard M. ; Mapes Charles M. // American Telephone & Telegraph | |||
| Version 1 (current) | 370 kB | Shaun Ewing | Apr 13, 1937 00:00 | US-2076637-A // Telephone substation apparatus // Harlow Leonard M. ; Mapes Charles M. // American Telephone & Telegraph | ||||
| PDF File 2075927.pdf | 556 kB | Shaun Ewing | Apr 06, 1937 00:00 |
|
US-2075927-A // Shielding system // Bowen Arnold Everett // American Telephone & Telegraph | |||
| Version 1 (current) | 556 kB | Shaun Ewing | Apr 06, 1937 00:00 | US-2075927-A // Shielding system // Bowen Arnold Everett // American Telephone & Telegraph | ||||
| PDF File 2075920.pdf | 485 kB | Shaun Ewing | Apr 06, 1937 00:00 |
|
US-2075920-A // Shielding system // Wascheck George // American Telephone & Telegraph | |||
| Version 1 (current) | 485 kB | Shaun Ewing | Apr 06, 1937 00:00 | US-2075920-A // Shielding system // Wascheck George // American Telephone & Telegraph |