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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2167368.pdf | 610 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167368-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167368-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 2167367.pdf | 797 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167367-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 797 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167367-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 2167254.pdf | 428 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167254-A // Piezoelectric vibrator oscillator // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 428 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167254-A // Piezoelectric vibrator oscillator // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2167078.pdf | 652 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167078-A // Electromechanical system // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 652 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167078-A // Electromechanical system // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2167069.pdf | 451 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167069-A // Transmission system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 451 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167069-A // Transmission system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 2167016.pdf | 618 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167016-A // Cross-talk reduction // Weaver Myron A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167016-A // Cross-talk reduction // Weaver Myron A. // Bell Telephone Labor Inc | ||||
| PDF File 2167007.pdf | 1.16 MB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167007-A // Transmission circuit // Schott Lionel ; Wright Sumner B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167007-A // Transmission circuit // Schott Lionel ; Wright Sumner B. // Bell Telephone Labor Inc | ||||
| PDF File 2166929.pdf | 649 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2166929-A // Electric wave amplifying system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2166929-A // Electric wave amplifying system // Caruthers Robert S. // Bell Telephone Labor Inc | ||||
| PDF File 2166764.pdf | 622 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166764-A // Switching mechanism // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 622 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166764-A // Switching mechanism // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2166763.pdf | 1.30 MB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166763-A // Piezoelectric apparatus and circuits // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166763-A // Piezoelectric apparatus and circuits // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2166639.pdf | 795 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166639-A // Coin collector apparatus // Jr. Robert L. Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166639-A // Coin collector apparatus // Jr. Robert L. Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2166632.pdf | 531 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166632-A // Method of constructing concrete manholes // Hardesty James M. ; Sutton Stanford M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 531 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166632-A // Method of constructing concrete manholes // Hardesty James M. ; Sutton Stanford M. // Bell Telephone Labor Inc | ||||
| PDF File 2166536.pdf | 599 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166536-A // Signaling system // Saul George N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 599 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166536-A // Signaling system // Saul George N. // Bell Telephone Labor Inc | ||||
| PDF File 2166515.pdf | 706 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166515-A // Sound translating apparatus // Atkins George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 706 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166515-A // Sound translating apparatus // Atkins George E. // Bell Telephone Labor Inc | ||||
| PDF File 2166359.pdf | 1.25 MB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166359-A // Magnetostrictive device // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166359-A // Magnetostrictive device // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2166326.pdf | 413 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166326-A // Method of damping vibratory members // Riesz Robert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 413 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166326-A // Method of damping vibratory members // Riesz Robert R. // Bell Telephone Labor Inc | ||||
| PDF File 2166237.pdf | 753 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166237-A // Antenna coupling system // Cushman Robert A. ; Smith Phillip H. ; Specht Malcolm A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 753 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166237-A // Antenna coupling system // Cushman Robert A. ; Smith Phillip H. ; Specht Malcolm A. // Bell Telephone Labor Inc | ||||
| PDF File 2165925.pdf | 4.31 MB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165925-A // Automatic billing system // Goodrum Charles L. ; Hinrichsen Edward E. ; Keller Leo // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.31 MB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165925-A // Automatic billing system // Goodrum Charles L. ; Hinrichsen Edward E. ; Keller Leo // Bell Telephone Labor Inc | ||||
| PDF File 2165924.pdf | 11.21 MB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165924-A // Telephone system // Goodrum Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 11.21 MB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165924-A // Telephone system // Goodrum Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 2165855.pdf | 770 kB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165855-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 770 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165855-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc |
