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 1615935.pdf | 375 kB | Shaun Ewing | Feb 01, 1927 00:00 |
|
US-1615935-A // Manual telephone system // Davis Richard C. ; Conway Roy D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 375 kB | Shaun Ewing | Feb 01, 1927 00:00 | US-1615935-A // Manual telephone system // Davis Richard C. ; Conway Roy D. // Bell Telephone Labor Inc | ||||
| PDF File 1696261.pdf | 373 kB | Shaun Ewing | Dec 25, 1928 00:00 |
|
US-1696261-A // Transmission system // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 373 kB | Shaun Ewing | Dec 25, 1928 00:00 | US-1696261-A // Transmission system // Williams Samuel B. // Bell Telephone Labor Inc | ||||
| PDF File 1757704.pdf | 372 kB | Shaun Ewing | May 06, 1930 00:00 |
|
US-1757704-A // Contact-drive vibratory fork // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 372 kB | Shaun Ewing | May 06, 1930 00:00 | US-1757704-A // Contact-drive vibratory fork // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1757464.pdf | 371 kB | Shaun Ewing | May 06, 1930 00:00 |
|
US-1757464-A // Coin-collection apparatus // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 371 kB | Shaun Ewing | May 06, 1930 00:00 | US-1757464-A // Coin-collection apparatus // Melick John M. // Bell Telephone Labor Inc | ||||
| PDF File 1641286.pdf | 370 kB | Shaun Ewing | Sept 06, 1927 00:00 |
|
US-1641286-A // Test plug // Jr. Emil C. Mueller, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 370 kB | Shaun Ewing | Sept 06, 1927 00:00 | US-1641286-A // Test plug // Jr. Emil C. Mueller, // Bell Telephone Labor Inc | ||||
| PDF File 1751259.pdf | 369 kB | Shaun Ewing | Mar 18, 1930 00:00 |
|
US-1751259-A // Reating loaded submarine cables // Wentz Jesse F. // Bell Telephone Laboreatories I | |||
| Version 1 (current) | 369 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1751259-A // Reating loaded submarine cables // Wentz Jesse F. // Bell Telephone Laboreatories I | ||||
| PDF File 1645823.pdf | 367 kB | Shaun Ewing | Oct 18, 1927 00:00 |
|
US-1645823-A // Sound-producing device // Shann Oscar A. ; Kuntz Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Oct 18, 1927 00:00 | US-1645823-A // Sound-producing device // Shann Oscar A. ; Kuntz Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 1708955.pdf | 365 kB | Shaun Ewing | Apr 16, 1929 00:00 |
|
US-1708955-A // Relay commutator // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 365 kB | Shaun Ewing | Apr 16, 1929 00:00 | US-1708955-A // Relay commutator // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 1781387.pdf | 365 kB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1781387-A // Diaphragm // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 365 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1781387-A // Diaphragm // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1762725.pdf | 364 kB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762725-A // Method of and means for indicating synchronism // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 364 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762725-A // Method of and means for indicating synchronism // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1762996.pdf | 364 kB | Shaun Ewing | Jun 10, 1930 00:00 |
|
US-1762996-A // Loading of signaling conductors // Legg Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 364 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762996-A // Loading of signaling conductors // Legg Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1767964.pdf | 361 kB | Shaun Ewing | Jun 24, 1930 00:00 |
|
US-1767964-A // Vacuum-tube circuits // Cousins Van Meter // Bell Telephone Labor Inc | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767964-A // Vacuum-tube circuits // Cousins Van Meter // Bell Telephone Labor Inc | ||||
| PDF File 1705993.pdf | 360 kB | Shaun Ewing | Mar 19, 1929 00:00 |
|
US-1705993-A // Voltage-limiting device // Oswald Arthur A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 360 kB | Shaun Ewing | Mar 19, 1929 00:00 | US-1705993-A // Voltage-limiting device // Oswald Arthur A. // Bell Telephone Labor Inc | ||||
| PDF File 1747244.pdf | 359 kB | Shaun Ewing | Feb 18, 1930 00:00 |
|
US-1747244-A // Coin-collection apparatus // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747244-A // Coin-collection apparatus // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 1753337.pdf | 358 kB | Shaun Ewing | Apr 08, 1930 00:00 |
|
US-1753337-A // Adjustable inductance coil // Given Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 358 kB | Shaun Ewing | Apr 08, 1930 00:00 | US-1753337-A // Adjustable inductance coil // Given Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 1746788.pdf | 357 kB | Shaun Ewing | Feb 11, 1930 00:00 |
|
US-1746788-A // Piezo-electric device // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 357 kB | Shaun Ewing | Feb 11, 1930 00:00 | US-1746788-A // Piezo-electric device // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1745756.pdf | 357 kB | Shaun Ewing | Feb 04, 1930 00:00 |
|
US-1745756-A // Electrical picture-transmission receiving system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 357 kB | Shaun Ewing | Feb 04, 1930 00:00 | US-1745756-A // Electrical picture-transmission receiving system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 1673015.pdf | 356 kB | Shaun Ewing | Jun 12, 1928 00:00 |
|
US-1673015-A // Switching system // Murphy Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673015-A // Switching system // Murphy Paul B. // Bell Telephone Labor Inc | ||||
| PDF File 1744047.pdf | 355 kB | Shaun Ewing | Jan 21, 1930 00:00 |
|
US-1744047-A // Combined recorder and reproducer // Keller Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Jan 21, 1930 00:00 | US-1744047-A // Combined recorder and reproducer // Keller Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 1717782.pdf | 352 kB | Shaun Ewing | Jun 18, 1929 00:00 |
|
US-1717782-A // Electrooptical transmission // Ives Herbert E. ; Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Jun 18, 1929 00:00 | US-1717782-A // Electrooptical transmission // Ives Herbert E. ; Horton Joseph W. // Bell Telephone Labor Inc |
