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 1786565.pdf | 284 kB | Shaun Ewing | Dec 30, 1930 00:00 |
|
US-1786565-A // Thrust bearing // Freeman Albert E. // American Telephone & Telegraph | |||
| Version 1 (current) | 284 kB | Shaun Ewing | Dec 30, 1930 00:00 | US-1786565-A // Thrust bearing // Freeman Albert E. // American Telephone & Telegraph | ||||
| PDF File 1786549.pdf | 568 kB | Shaun Ewing | Dec 30, 1930 00:00 |
|
US-1786549-A // Method and means for preparing insulating sleeves // Reed Thomas C. ; Odell Aubrey D. // American Telephone & Telegraph | |||
| Version 1 (current) | 568 kB | Shaun Ewing | Dec 30, 1930 00:00 | US-1786549-A // Method and means for preparing insulating sleeves // Reed Thomas C. ; Odell Aubrey D. // American Telephone & Telegraph | ||||
| PDF File 1786546.pdf | 586 kB | Shaun Ewing | Dec 30, 1930 00:00 |
|
US-1786546-A // Power-standard device // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Dec 30, 1930 00:00 | US-1786546-A // Power-standard device // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1786412.pdf | 263 kB | Shaun Ewing | Dec 23, 1930 00:00 |
|
US-1786412-A // Shielding arrangement // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 263 kB | Shaun Ewing | Dec 23, 1930 00:00 | US-1786412-A // Shielding arrangement // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1785819.pdf | 642 kB | Shaun Ewing | Dec 23, 1930 00:00 |
|
US-1785819-A // Prevention of parasitic oscillations // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 642 kB | Shaun Ewing | Dec 23, 1930 00:00 | US-1785819-A // Prevention of parasitic oscillations // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1785818.pdf | 393 kB | Shaun Ewing | Dec 23, 1930 00:00 |
|
US-1785818-A // Telephone system // Peterson George H. ; Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Dec 23, 1930 00:00 | US-1785818-A // Telephone system // Peterson George H. ; Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1784905.pdf | 980 kB | Shaun Ewing | Dec 16, 1930 00:00 |
|
US-1784905-A // Telephone-exchange system // Morency George H. // American Telephone & Telegraph | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Dec 16, 1930 00:00 | US-1784905-A // Telephone-exchange system // Morency George H. // American Telephone & Telegraph | ||||
| PDF File 1784898.pdf | 266 kB | Shaun Ewing | Dec 16, 1930 00:00 |
|
US-1784898-A // Circuit switch // Gary Laurence A. ; Tasker Homer G. // American Telephone & Telegraph | |||
| Version 1 (current) | 266 kB | Shaun Ewing | Dec 16, 1930 00:00 | US-1784898-A // Circuit switch // Gary Laurence A. ; Tasker Homer G. // American Telephone & Telegraph | ||||
| PDF File 1784891.pdf | 527 kB | Shaun Ewing | Dec 16, 1930 00:00 |
|
US-1784891-A // Privacy signaling system // Dean Samuel W. ; Anderson Clifford N. // American Telephone & Telegraph | |||
| Version 1 (current) | 527 kB | Shaun Ewing | Dec 16, 1930 00:00 | US-1784891-A // Privacy signaling system // Dean Samuel W. ; Anderson Clifford N. // American Telephone & Telegraph | ||||
| PDF File 1784194.pdf | 629 kB | Shaun Ewing | Dec 09, 1930 00:00 |
|
US-1784194-A // Transmission frequency-delay-measuring circuit // Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Dec 09, 1930 00:00 | US-1784194-A // Transmission frequency-delay-measuring circuit // Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1784178.pdf | 693 kB | Shaun Ewing | Dec 09, 1930 00:00 |
|
US-1784178-A // Voice-controlled circuits // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 693 kB | Shaun Ewing | Dec 09, 1930 00:00 | US-1784178-A // Voice-controlled circuits // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 1784176.pdf | 551 kB | Shaun Ewing | Dec 09, 1930 00:00 |
|
US-1784176-A // Equalization for carrier systems // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 551 kB | Shaun Ewing | Dec 09, 1930 00:00 | US-1784176-A // Equalization for carrier systems // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 1783321.pdf | 420 kB | Shaun Ewing | Dec 02, 1930 00:00 |
|
US-1783321-A // Electrical transmission of pictures // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 420 kB | Shaun Ewing | Dec 02, 1930 00:00 | US-1783321-A // Electrical transmission of pictures // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 1783132.pdf | 390 kB | Shaun Ewing | Nov 25, 1930 00:00 |
|
US-1783132-A // Mounting for piezo-electric devices // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 390 kB | Shaun Ewing | Nov 25, 1930 00:00 | US-1783132-A // Mounting for piezo-electric devices // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1783131.pdf | 420 kB | Shaun Ewing | Nov 25, 1930 00:00 |
|
US-1783131-A // Mounting for piezo-electric devices // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 420 kB | Shaun Ewing | Nov 25, 1930 00:00 | US-1783131-A // Mounting for piezo-electric devices // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1783130.pdf | 504 kB | Shaun Ewing | Nov 25, 1930 00:00 |
|
US-1783130-A // Piezo-electric oscillator // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Nov 25, 1930 00:00 | US-1783130-A // Piezo-electric oscillator // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1781124.pdf | 874 kB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1781124-A // Concentric conducting system // Nein Harry R. // American Telephone & Telegraph | |||
| Version 1 (current) | 874 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1781124-A // Concentric conducting system // Nein Harry R. // American Telephone & Telegraph | ||||
| PDF File 1781093.pdf | 793 kB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1781093-A // Concentric conductor system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1781093-A // Concentric conductor system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1781092.pdf | 835 kB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1781092-A // Concentric conducting system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 835 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1781092-A // Concentric conducting system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1780966.pdf | 403 kB | Shaun Ewing | Nov 11, 1930 00:00 |
|
US-1780966-A // Electrical transmission system // Blye Paul W. // American Telephone & Telegraph | |||
| Version 1 (current) | 403 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1780966-A // Electrical transmission system // Blye Paul W. // American Telephone & Telegraph |
