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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1981114.pdf | 655 kB | Shaun Ewing | Nov 20, 1934 00:00 |
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US-1981114-A // Privacy system // Mitchell Doren ; Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 655 kB | Shaun Ewing | Nov 20, 1934 00:00 | US-1981114-A // Privacy system // Mitchell Doren ; Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1981113.pdf | 568 kB | Shaun Ewing | Nov 20, 1934 00:00 |
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US-1981113-A // Privacy system // Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 568 kB | Shaun Ewing | Nov 20, 1934 00:00 | US-1981113-A // Privacy system // Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1980305.pdf | 732 kB | Shaun Ewing | Nov 13, 1934 00:00 |
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US-1980305-A // Telegraph switching system // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 732 kB | Shaun Ewing | Nov 13, 1934 00:00 | US-1980305-A // Telegraph switching system // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 1980292.pdf | 559 kB | Shaun Ewing | Nov 13, 1934 00:00 |
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US-1980292-A // Method and apparatus for producing musical sounds // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Nov 13, 1934 00:00 | US-1980292-A // Method and apparatus for producing musical sounds // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1979414.pdf | 427 kB | Shaun Ewing | Nov 06, 1934 00:00 |
|
US-1979414-A // Differential mechanism // Smith Temple Clifford // American Telephone & Telegraph | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Nov 06, 1934 00:00 | US-1979414-A // Differential mechanism // Smith Temple Clifford // American Telephone & Telegraph | ||||
| PDF File 1979402.pdf | 682 kB | Shaun Ewing | Nov 06, 1934 00:00 |
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US-1979402-A // Concentric shield for cables // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Nov 06, 1934 00:00 | US-1979402-A // Concentric shield for cables // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1978021.pdf | 859 kB | Shaun Ewing | Oct 23, 1934 00:00 |
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US-1978021-A // Ultrashort wave system // Hollmann Hans Erich // American Telephone & Telegraph | |||
| Version 1 (current) | 859 kB | Shaun Ewing | Oct 23, 1934 00:00 | US-1978021-A // Ultrashort wave system // Hollmann Hans Erich // American Telephone & Telegraph | ||||
| PDF File 1977776.pdf | 294 kB | Shaun Ewing | Oct 23, 1934 00:00 |
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US-1977776-A // Telegraph alarm circuits // Rea Wilton T. // American Telephone & Telegraph | |||
| Version 1 (current) | 294 kB | Shaun Ewing | Oct 23, 1934 00:00 | US-1977776-A // Telegraph alarm circuits // Rea Wilton T. // American Telephone & Telegraph | ||||
| PDF File 1977751.pdf | 379 kB | Shaun Ewing | Oct 23, 1934 00:00 |
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US-1977751-A // Wave transmission network // Zobel Otto Julius // American Telephone & Telegraph | |||
| Version 1 (current) | 379 kB | Shaun Ewing | Oct 23, 1934 00:00 | US-1977751-A // Wave transmission network // Zobel Otto Julius // American Telephone & Telegraph | ||||
| PDF File 1977256.pdf | 1.33 MB | Shaun Ewing | Oct 16, 1934 00:00 |
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US-1977256-A // Resetting circuits for gas filled tubes // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Oct 16, 1934 00:00 | US-1977256-A // Resetting circuits for gas filled tubes // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 1977255.pdf | 794 kB | Shaun Ewing | Oct 16, 1934 00:00 |
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US-1977255-A // Parallel operated gas filled tube // Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 794 kB | Shaun Ewing | Oct 16, 1934 00:00 | US-1977255-A // Parallel operated gas filled tube // Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 1977254.pdf | 615 kB | Shaun Ewing | Oct 16, 1934 00:00 |
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US-1977254-A // Glow discharge tube circuit // Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Oct 16, 1934 00:00 | US-1977254-A // Glow discharge tube circuit // Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 1976660.pdf | 362 kB | Shaun Ewing | Oct 09, 1934 00:00 |
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US-1976660-A // Code calling system // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 362 kB | Shaun Ewing | Oct 09, 1934 00:00 | US-1976660-A // Code calling system // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1975207.pdf | 481 kB | Shaun Ewing | Oct 02, 1934 00:00 |
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US-1975207-A // Telephone system // Getz Emil L. ; Pentland Robert L. ; Dorff Louis A. // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Oct 02, 1934 00:00 | US-1975207-A // Telephone system // Getz Emil L. ; Pentland Robert L. ; Dorff Louis A. // American Telephone & Telegraph | ||||
| PDF File 1975203.pdf | 426 kB | Shaun Ewing | Oct 02, 1934 00:00 |
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US-1975203-A // Printing telegraph system // Fay Frank H. ; Bacon Walter M. // American Telephone & Telegraph | |||
| Version 1 (current) | 426 kB | Shaun Ewing | Oct 02, 1934 00:00 | US-1975203-A // Printing telegraph system // Fay Frank H. ; Bacon Walter M. // American Telephone & Telegraph | ||||
| PDF File 1973595.pdf | 931 kB | Shaun Ewing | Sept 11, 1934 00:00 |
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US-1973595-A // Two-way telephone system // Wright Sumner B. ; Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 931 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1973595-A // Two-way telephone system // Wright Sumner B. ; Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1973589.pdf | 522 kB | Shaun Ewing | Sept 11, 1934 00:00 |
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US-1973589-A // Typewriting machine // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1973589-A // Typewriting machine // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1973027.pdf | 790 kB | Shaun Ewing | Sept 11, 1934 00:00 |
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US-1973027-A // Transmission system // Taylor Charles Chance // American Telephone & Telegraph | |||
| Version 1 (current) | 790 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1973027-A // Transmission system // Taylor Charles Chance // American Telephone & Telegraph | ||||
| PDF File 1972985.pdf | 504 kB | Shaun Ewing | Sept 11, 1934 00:00 |
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US-1972985-A // Electric switching device // Gardner Leland A. // American Telephone & Telegraph | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1972985-A // Electric switching device // Gardner Leland A. // American Telephone & Telegraph | ||||
| PDF File 1970938.pdf | 670 kB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1970938-A // Telegraph exchange system // Kinkead Fullerton S. ; Knandel George J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 670 kB | Shaun Ewing | Aug 21, 1934 00:00 | US-1970938-A // Telegraph exchange system // Kinkead Fullerton S. ; Knandel George J. // Bell Telephone Labor Inc ; American Telephone & Telegraph |
