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 2663848.pdf | 2.57 MB | Shaun Ewing | Dec 22, 1953 00:00 |
|
US-2663848-A // Electromagnetic wave microwave frequency filter // Lewis Willard D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.57 MB | Shaun Ewing | Dec 22, 1953 00:00 | US-2663848-A // Electromagnetic wave microwave frequency filter // Lewis Willard D. // Bell Telephone Labor Inc | ||||
| PDF File 2626994.pdf | 2.57 MB | Shaun Ewing | Jan 27, 1953 00:00 |
|
US-2626994-A // Multiplex telegraph system // Weaver Allan // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.57 MB | Shaun Ewing | Jan 27, 1953 00:00 | US-2626994-A // Multiplex telegraph system // Weaver Allan // Bell Telephone Labor Inc | ||||
| PDF File 2561462.pdf | 2.56 MB | Shaun Ewing | Jul 24, 1951 00:00 |
|
US-2561462-A // Electromagnetic core and manufacture thereof // Compton Kenneth G. ; Gould Harold L. B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.56 MB | Shaun Ewing | Jul 24, 1951 00:00 | US-2561462-A // Electromagnetic core and manufacture thereof // Compton Kenneth G. ; Gould Harold L. B. // Bell Telephone Labor Inc | ||||
| PDF File 2582498.pdf | 2.56 MB | Shaun Ewing | Jan 15, 1952 00:00 |
|
US-2582498-A // Negative impedance repeater and loading system // Jr. Josiah L. Merrill, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.56 MB | Shaun Ewing | Jan 15, 1952 00:00 | US-2582498-A // Negative impedance repeater and loading system // Jr. Josiah L. Merrill, // Bell Telephone Labor Inc | ||||
| PDF File 2569443.pdf | 2.54 MB | Shaun Ewing | Oct 02, 1951 00:00 |
|
US-2569443-A // Telegraph storage system // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.54 MB | Shaun Ewing | Oct 02, 1951 00:00 | US-2569443-A // Telegraph storage system // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2672523.pdf | 2.53 MB | Shaun Ewing | Mar 16, 1954 00:00 |
|
US-2672523-A // Telephone subscriber // Dunlap Kermit S. ; Malthaner William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.53 MB | Shaun Ewing | Mar 16, 1954 00:00 | US-2672523-A // Telephone subscriber // Dunlap Kermit S. ; Malthaner William A. // Bell Telephone Labor Inc | ||||
| PDF File 2723312.pdf | 2.49 MB | Shaun Ewing | Nov 08, 1955 00:00 |
|
US-2723312-A // Magnetic drum dial pulse recording and storage registers // Mcguigan John H. ; Murphy Orlando J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.49 MB | Shaun Ewing | Nov 08, 1955 00:00 | US-2723312-A // Magnetic drum dial pulse recording and storage registers // Mcguigan John H. ; Murphy Orlando J. // Bell Telephone Labor Inc | ||||
| PDF File 2552629.pdf | 2.49 MB | Shaun Ewing | May 15, 1951 00:00 |
|
US-2552629-A // Error-detecting and correcting system // Hamming Richard W. ; Holbrook Bernard D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.49 MB | Shaun Ewing | May 15, 1951 00:00 | US-2552629-A // Error-detecting and correcting system // Hamming Richard W. ; Holbrook Bernard D. // Bell Telephone Labor Inc | ||||
| PDF File 2649576.pdf | 2.45 MB | Shaun Ewing | Aug 18, 1953 00:00 |
|
US-2649576-A // Pseudohybrid microwave device // Lewis Willard D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.45 MB | Shaun Ewing | Aug 18, 1953 00:00 | US-2649576-A // Pseudohybrid microwave device // Lewis Willard D. // Bell Telephone Labor Inc | ||||
| PDF File 2604540.pdf | 2.45 MB | Shaun Ewing | Jul 22, 1952 00:00 |
|
US-2604540-A // Calling line identification for automatic ticketing systems // Blake Foster B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.45 MB | Shaun Ewing | Jul 22, 1952 00:00 | US-2604540-A // Calling line identification for automatic ticketing systems // Blake Foster B. // Bell Telephone Labor Inc | ||||
| PDF File 2701098.pdf | 2.44 MB | Shaun Ewing | Feb 01, 1955 00:00 |
|
US-2701098-A // Concealed ground target computer for aircraft // Townes Charles H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.44 MB | Shaun Ewing | Feb 01, 1955 00:00 | US-2701098-A // Concealed ground target computer for aircraft // Townes Charles H. // Bell Telephone Labor Inc | ||||
| PDF File 2658108.pdf | 2.43 MB | Shaun Ewing | Nov 03, 1953 00:00 |
|
US-2658108-A // Crossbar tandem office for telephone systems // Haines William T. ; Newsom James B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.43 MB | Shaun Ewing | Nov 03, 1953 00:00 | US-2658108-A // Crossbar tandem office for telephone systems // Haines William T. ; Newsom James B. // Bell Telephone Labor Inc | ||||
| PDF File 2723556.pdf | 2.42 MB | Shaun Ewing | Nov 15, 1955 00:00 |
|
US-2723556-A // Ultrasonic velocity measuring device // Willard Gerald W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.42 MB | Shaun Ewing | Nov 15, 1955 00:00 | US-2723556-A // Ultrasonic velocity measuring device // Willard Gerald W. // Bell Telephone Labor Inc | ||||
| PDF File 2668877.pdf | 2.40 MB | Shaun Ewing | Feb 09, 1954 00:00 |
|
US-2668877-A // Electromechanical translator // Gent Edgar W. ; Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.40 MB | Shaun Ewing | Feb 09, 1954 00:00 | US-2668877-A // Electromechanical translator // Gent Edgar W. ; Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2710891.pdf | 2.40 MB | Shaun Ewing | Jun 14, 1955 00:00 |
|
US-2710891-A // Telegraph service board circuits // Fitch Karl E. ; Neiswinter James T. ; Purvis Matthew R. ; Vanderlippe Richard A. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.40 MB | Shaun Ewing | Jun 14, 1955 00:00 | US-2710891-A // Telegraph service board circuits // Fitch Karl E. ; Neiswinter James T. ; Purvis Matthew R. ; Vanderlippe Richard A. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2695928.pdf | 2.37 MB | Shaun Ewing | Nov 30, 1954 00:00 |
|
US-2695928-A // Calling line identification // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.37 MB | Shaun Ewing | Nov 30, 1954 00:00 | US-2695928-A // Calling line identification // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2536193.pdf | 2.37 MB | Shaun Ewing | Jan 02, 1951 00:00 |
|
US-2536193-A // Time interval measuring device // Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.37 MB | Shaun Ewing | Jan 02, 1951 00:00 | US-2536193-A // Time interval measuring device // Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2657271.pdf | 2.37 MB | Shaun Ewing | Oct 27, 1953 00:00 |
|
US-2657271-A // Line identification trouble indicator // Henry Israel H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.37 MB | Shaun Ewing | Oct 27, 1953 00:00 | US-2657271-A // Line identification trouble indicator // Henry Israel H. // Bell Telephone Labor Inc | ||||
| PDF File 2576844.pdf | 2.36 MB | Shaun Ewing | Nov 27, 1951 00:00 |
|
US-2576844-A // Mechanical gang perforator // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.36 MB | Shaun Ewing | Nov 27, 1951 00:00 | US-2576844-A // Mechanical gang perforator // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2554591.pdf | 2.35 MB | Shaun Ewing | May 29, 1951 00:00 |
|
US-2554591-A // Radio paging system for vehicles // Praizner Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.35 MB | Shaun Ewing | May 29, 1951 00:00 | US-2554591-A // Radio paging system for vehicles // Praizner Edward // Bell Telephone Labor Inc |
