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 1888227.pdf | 1.35 MB | Shaun Ewing | Nov 22, 1932 00:00 |
|
US-1888227-A // Volume control system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Nov 22, 1932 00:00 | US-1888227-A // Volume control system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | ||||
| PDF File 1885728.pdf | 356 kB | Shaun Ewing | Nov 01, 1932 00:00 |
|
US-1885728-A // Harmonic generating and selecting system // Keith Clyde R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Nov 01, 1932 00:00 | US-1885728-A // Harmonic generating and selecting system // Keith Clyde R. // Bell Telephone Labor Inc | ||||
| PDF File 1885151.pdf | 936 kB | Shaun Ewing | Nov 01, 1932 00:00 |
|
US-1885151-A // Directive antenna system // Sterba Ernest J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 936 kB | Shaun Ewing | Nov 01, 1932 00:00 | US-1885151-A // Directive antenna system // Sterba Ernest J. // Bell Telephone Labor Inc | ||||
| PDF File 1884845.pdf | 607 kB | Shaun Ewing | Oct 25, 1932 00:00 |
|
US-1884845-A // Magnetic amplifier // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Oct 25, 1932 00:00 | US-1884845-A // Magnetic amplifier // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1884844.pdf | 660 kB | Shaun Ewing | Oct 25, 1932 00:00 |
|
US-1884844-A // Magnetic wave-amplifying repeater // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 660 kB | Shaun Ewing | Oct 25, 1932 00:00 | US-1884844-A // Magnetic wave-amplifying repeater // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1884697.pdf | 958 kB | Shaun Ewing | Oct 25, 1932 00:00 |
|
US-1884697-A // Long distance telephone system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 958 kB | Shaun Ewing | Oct 25, 1932 00:00 | US-1884697-A // Long distance telephone system // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | ||||
| PDF File 1884675.pdf | 2.04 MB | Shaun Ewing | Oct 25, 1932 00:00 |
|
US-1884675-A // Electric wave transmission system // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | Oct 25, 1932 00:00 | US-1884675-A // Electric wave transmission system // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 1884582.pdf | 287 kB | Shaun Ewing | Oct 25, 1932 00:00 |
|
US-1884582-A // Vacuum tube socket // Crawford Allen I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Oct 25, 1932 00:00 | US-1884582-A // Vacuum tube socket // Crawford Allen I. // Bell Telephone Labor Inc | ||||
| PDF File 1884567.pdf | 1.11 MB | Shaun Ewing | Oct 25, 1932 00:00 |
|
US-1884567-A // Telegraph exchange system // Catogge Joseph J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Oct 25, 1932 00:00 | US-1884567-A // Telegraph exchange system // Catogge Joseph J. // Bell Telephone Labor Inc | ||||
| PDF File 1883291.pdf | 902 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1883291-A // Projection of stereoscopic pictures // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 902 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883291-A // Projection of stereoscopic pictures // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1883163.pdf | 288 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1883163-A // Remote control device // Jr. Frank Van Voorhis, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 288 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883163-A // Remote control device // Jr. Frank Van Voorhis, // Bell Telephone Labor Inc | ||||
| PDF File 1883158.pdf | 995 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1883158-A // Trunk circuit // Ulrich Horace W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 995 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883158-A // Trunk circuit // Ulrich Horace W. // Bell Telephone Labor Inc | ||||
| PDF File 1883111.pdf | 425 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1883111-A // Piezo-electric crystal mounting // Thurston George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883111-A // Piezo-electric crystal mounting // Thurston George M. // Bell Telephone Labor Inc | ||||
| PDF File 1883098.pdf | 289 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1883098-A // Electrical resistance device // Templeton Bryce O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 289 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883098-A // Electrical resistance device // Templeton Bryce O. // Bell Telephone Labor Inc | ||||
| PDF File 1883043.pdf | 402 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1883043-A // Pouch // Soreny Ernest // Bell Telephone Labor Inc | |||
| Version 1 (current) | 402 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883043-A // Pouch // Soreny Ernest // Bell Telephone Labor Inc | ||||
| PDF File 1882994.pdf | 327 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882994-A // Electron discharge device // Schwerin Paul // Bell Telephone Labor Inc | |||
| Version 1 (current) | 327 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882994-A // Electron discharge device // Schwerin Paul // Bell Telephone Labor Inc | ||||
| PDF File 1882974.pdf | 744 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882974-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882974-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | ||||
| PDF File 1882936.pdf | 499 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882936-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882936-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1882893.pdf | 519 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882893-A // Sound picture camera // Potts Louis M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882893-A // Sound picture camera // Potts Louis M. // Bell Telephone Labor Inc | ||||
| PDF File 1882885.pdf | 218 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882885-A // Holder for crystal resonators // Polkinghorn Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 218 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882885-A // Holder for crystal resonators // Polkinghorn Frank A. // Bell Telephone Labor Inc |