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 2499759.pdf | 665 kB | Shaun Ewing | Mar 07, 1950 00:00 |
|
US-2499759-A // Location of faults in electrical transmission systems // Kempf Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 665 kB | Shaun Ewing | Mar 07, 1950 00:00 | US-2499759-A // Location of faults in electrical transmission systems // Kempf Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2457527.pdf | 664 kB | Shaun Ewing | Dec 28, 1948 00:00 |
|
US-2457527-A // Acoustic device // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 664 kB | Shaun Ewing | Dec 28, 1948 00:00 | US-2457527-A // Acoustic device // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2480594.pdf | 664 kB | Shaun Ewing | Aug 30, 1949 00:00 |
|
US-2480594-A // Adjustable cam device // Mohr Otto // Bell Telephone Labor Inc | |||
| Version 1 (current) | 664 kB | Shaun Ewing | Aug 30, 1949 00:00 | US-2480594-A // Adjustable cam device // Mohr Otto // Bell Telephone Labor Inc | ||||
| PDF File 2403982.pdf | 663 kB | Shaun Ewing | Jul 16, 1946 00:00 |
|
US-2403982-A // Analysis and representation of complex waves // Jr. Walter Koenig, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 663 kB | Shaun Ewing | Jul 16, 1946 00:00 | US-2403982-A // Analysis and representation of complex waves // Jr. Walter Koenig, // Bell Telephone Labor Inc | ||||
| PDF File 2503371.pdf | 662 kB | Shaun Ewing | Apr 11, 1950 00:00 |
|
US-2503371-A // Selective signaling system // Bachelet Albert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 662 kB | Shaun Ewing | Apr 11, 1950 00:00 | US-2503371-A // Selective signaling system // Bachelet Albert E. // Bell Telephone Labor Inc | ||||
| PDF File 2434273.pdf | 661 kB | Shaun Ewing | Jan 13, 1948 00:00 |
|
US-2434273-A // Wave translating system // Ketchledge Raymond W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 661 kB | Shaun Ewing | Jan 13, 1948 00:00 | US-2434273-A // Wave translating system // Ketchledge Raymond W. // Bell Telephone Labor Inc | ||||
| PDF File 2411548.pdf | 660 kB | Shaun Ewing | Nov 26, 1946 00:00 |
|
US-2411548-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 660 kB | Shaun Ewing | Nov 26, 1946 00:00 | US-2411548-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2503558.pdf | 659 kB | Shaun Ewing | Apr 11, 1950 00:00 |
|
US-2503558-A // Switch cleaning tool // Mesch Orwar S. A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 659 kB | Shaun Ewing | Apr 11, 1950 00:00 | US-2503558-A // Switch cleaning tool // Mesch Orwar S. A. // Bell Telephone Labor Inc | ||||
| PDF File 2444026.pdf | 658 kB | Shaun Ewing | Jun 29, 1948 00:00 |
|
US-2444026-A // Method of making selective switch banks // Bartelhelm Leland A. ; Lane Maurice W. ; Mallina Rudolph F. // Western Electric Co ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 658 kB | Shaun Ewing | Jun 29, 1948 00:00 | US-2444026-A // Method of making selective switch banks // Bartelhelm Leland A. ; Lane Maurice W. ; Mallina Rudolph F. // Western Electric Co ; Bell Telephone Labor Inc | ||||
| PDF File 2460702.pdf | 658 kB | Shaun Ewing | Feb 01, 1949 00:00 |
|
US-2460702-A // Registration system // Mallery Paul // Bell Telephone Labor Inc | |||
| Version 1 (current) | 658 kB | Shaun Ewing | Feb 01, 1949 00:00 | US-2460702-A // Registration system // Mallery Paul // Bell Telephone Labor Inc | ||||
| PDF File 2500638.pdf | 657 kB | Shaun Ewing | Mar 14, 1950 00:00 |
|
US-2500638-A // Aid for the blind // Krauth Edwin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 657 kB | Shaun Ewing | Mar 14, 1950 00:00 | US-2500638-A // Aid for the blind // Krauth Edwin A. // Bell Telephone Labor Inc | ||||
| PDF File 2427348.pdf | 656 kB | Shaun Ewing | Sept 16, 1947 00:00 |
|
US-2427348-A // Piezoelectric vibrator // Bond Walter L. ; Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Sept 16, 1947 00:00 | US-2427348-A // Piezoelectric vibrator // Bond Walter L. ; Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2486482.pdf | 656 kB | Shaun Ewing | Nov 01, 1949 00:00 |
|
US-2486482-A // Sealed container for electrode assemblies // Brie Laurents J. La // Bell Telephone Labor Inc | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Nov 01, 1949 00:00 | US-2486482-A // Sealed container for electrode assemblies // Brie Laurents J. La // Bell Telephone Labor Inc | ||||
| PDF File 2532096.pdf | 656 kB | Shaun Ewing | Nov 28, 1950 00:00 |
|
US-2532096-A // Power source // Hartley Ralph V. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Nov 28, 1950 00:00 | US-2532096-A // Power source // Hartley Ralph V. L. // Bell Telephone Labor Inc | ||||
| PDF File 2422666.pdf | 654 kB | Shaun Ewing | Jun 24, 1947 00:00 |
|
US-2422666-A // Polycarbonamides modified by chromic salts // Fuller Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Jun 24, 1947 00:00 | US-2422666-A // Polycarbonamides modified by chromic salts // Fuller Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2500430.pdf | 654 kB | Shaun Ewing | Mar 14, 1950 00:00 |
|
US-2500430-A // Cavity resonator oscillator device // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Mar 14, 1950 00:00 | US-2500430-A // Cavity resonator oscillator device // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2466080.pdf | 654 kB | Shaun Ewing | Apr 05, 1949 00:00 |
|
US-2466080-A // Selective control apparatus // Cook Jackson H. ; Schell Donald H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Apr 05, 1949 00:00 | US-2466080-A // Selective control apparatus // Cook Jackson H. ; Schell Donald H. // Bell Telephone Labor Inc | ||||
| PDF File 2403983.pdf | 653 kB | Shaun Ewing | Jul 16, 1946 00:00 |
|
US-2403983-A // Representation of complex waves // Jr. Walter Koenig, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Jul 16, 1946 00:00 | US-2403983-A // Representation of complex waves // Jr. Walter Koenig, // Bell Telephone Labor Inc | ||||
| PDF File 2458181.pdf | 653 kB | Shaun Ewing | Jan 04, 1949 00:00 |
|
US-2458181-A // Speed reduction mechanism // Little John B. ; Munson Wilden A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Jan 04, 1949 00:00 | US-2458181-A // Speed reduction mechanism // Little John B. ; Munson Wilden A. // Bell Telephone Labor Inc | ||||
| PDF File 2406850.pdf | 653 kB | Shaun Ewing | Sept 03, 1946 00:00 |
|
US-2406850-A // Electron discharge apparatus // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Sept 03, 1946 00:00 | US-2406850-A // Electron discharge apparatus // Pierce John R. // Bell Telephone Labor Inc |
