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 1947164.pdf | 319 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947164-A // Phonograph reproducer // Morrison Louis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947164-A // Phonograph reproducer // Morrison Louis A. // Bell Telephone Labor Inc | ||||
| PDF File 1947182.pdf | 289 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947182-A // Constant frequency apparatus // Betts Philander H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 289 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947182-A // Constant frequency apparatus // Betts Philander H. // Bell Telephone Labor Inc | ||||
| PDF File 1947209.pdf | 421 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947209-A // Speech amplitude control // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947209-A // Speech amplitude control // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1947247.pdf | 826 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947247-A // High frequency transmission system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 826 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947247-A // High frequency transmission system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 1947256.pdf | 675 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947256-A // Antenna counterpoise system // Friis Harald T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 675 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947256-A // Antenna counterpoise system // Friis Harald T. // Bell Telephone Labor Inc | ||||
| PDF File 1948941.pdf | 433 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948941-A // Electrooptical system // Olpin Albert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948941-A // Electrooptical system // Olpin Albert R. // Bell Telephone Labor Inc | ||||
| PDF File 1948969.pdf | 785 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948969-A // Electric switching device // Lane Cuthbert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 785 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948969-A // Electric switching device // Lane Cuthbert C. // Bell Telephone Labor Inc | ||||
| PDF File 1948973.pdf | 735 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948973-A // Wave transmission with narrowed band // Steinberg John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948973-A // Wave transmission with narrowed band // Steinberg John C. // Bell Telephone Labor Inc | ||||
| PDF File 1948976.pdf | 668 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948976-A // Electric wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948976-A // Electric wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 1948977.pdf | 592 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948977-A // Electric wave amplifier // Aiken Charles B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948977-A // Electric wave amplifier // Aiken Charles B. // Bell Telephone Labor Inc | ||||
| PDF File 1948981.pdf | 969 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948981-A // Duplex communication system // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 969 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948981-A // Duplex communication system // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1949447.pdf | 294 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1949447-A // Card holder // Beck William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 294 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1949447-A // Card holder // Beck William O. // Bell Telephone Labor Inc | ||||
| PDF File 1950109.pdf | 226 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1950109-A // Turntable for phonograph records // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 226 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950109-A // Turntable for phonograph records // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1950123.pdf | 605 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1950123-A // Automatic selection of receiving channels // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 605 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950123-A // Automatic selection of receiving channels // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 1950126.pdf | 392 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1950126-A // Cable conductor winding // Staples Robert T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 392 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950126-A // Cable conductor winding // Staples Robert T. // Bell Telephone Labor Inc | ||||
| PDF File 1950127.pdf | 601 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1950127-A // Communication system // Strieby Maurice E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 601 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950127-A // Communication system // Strieby Maurice E. // Bell Telephone Labor Inc | ||||
| PDF File 1950129.pdf | 1.10 MB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1950129-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950129-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | ||||
| PDF File 1950143.pdf | 266 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1950143-A // Remote control device // Haviland John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 266 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950143-A // Remote control device // Haviland John R. // Bell Telephone Labor Inc | ||||
| PDF File 1950156.pdf | 162 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1950156-A // Method of making terminal connections // Swoboda Adolph R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 162 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950156-A // Method of making terminal connections // Swoboda Adolph R. // Bell Telephone Labor Inc | ||||
| PDF File 1951887.pdf | 192 kB | Shaun Ewing | Mar 20, 1934 00:00 |
|
US-1951887-A // Telephone pay station apparatus // Templeton Bryce O. ; Mills Percy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 192 kB | Shaun Ewing | Mar 20, 1934 00:00 | US-1951887-A // Telephone pay station apparatus // Templeton Bryce O. ; Mills Percy E. // Bell Telephone Labor Inc |
