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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2257806.pdf | 958 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2257806-A // Echo suppressing circuit // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 958 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257806-A // Echo suppressing circuit // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2257882.pdf | 1.17 MB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2257882-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257882-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | ||||
| PDF File 2257894.pdf | 1022 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2257894-A // Telephone system // Jr. Paul Winsor, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1022 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257894-A // Telephone system // Jr. Paul Winsor, // Bell Telephone Labor Inc | ||||
| PDF File 2257963.pdf | 439 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2257963-A // Rod withdrawing tool // Kent Robert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 439 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257963-A // Rod withdrawing tool // Kent Robert J. // Bell Telephone Labor Inc | ||||
| PDF File 2258128.pdf | 1.37 MB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2258128-A // Wave translating system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258128-A // Wave translating system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2258275.pdf | 506 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2258275-A // Repeatered transmission system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258275-A // Repeatered transmission system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2258276.pdf | 466 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2258276-A // Apparatus for measuring the elastic properties of materials // Boettler Jacob R. ; Werring Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258276-A // Apparatus for measuring the elastic properties of materials // Boettler Jacob R. ; Werring Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 2258437.pdf | 375 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2258437-A // Gas tube // Badgley Robert H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 375 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258437-A // Gas tube // Badgley Robert H. // Bell Telephone Labor Inc | ||||
| PDF File 2258439.pdf | 513 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2258439-A // Multiplex transmission with phase discrimination // Bennett William R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258439-A // Multiplex transmission with phase discrimination // Bennett William R. // Bell Telephone Labor Inc | ||||
| PDF File 2258646.pdf | 592 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258646-A // Resistance material // Grisdale Richard O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258646-A // Resistance material // Grisdale Richard O. // Bell Telephone Labor Inc | ||||
| PDF File 2258651.pdf | 803 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258651-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258651-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 2258662.pdf | 608 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258662-A // Sound transmission system // Snow William B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258662-A // Sound transmission system // Snow William B. // Bell Telephone Labor Inc | ||||
| PDF File 2258953.pdf | 804 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258953-A // Antenna system // Higgins William H. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258953-A // Antenna system // Higgins William H. C. // Bell Telephone Labor Inc | ||||
| PDF File 2258958.pdf | 417 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258958-A // Conductive device // Pearson Gerald L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 417 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258958-A // Conductive device // Pearson Gerald L. // Bell Telephone Labor Inc | ||||
| PDF File 2258966.pdf | 771 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258966-A // Control of transmission in two-way signaling systems // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258966-A // Control of transmission in two-way signaling systems // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2258974.pdf | 1.35 MB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258974-A // Wave transmission network // Dagnall Clarence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258974-A // Wave transmission network // Dagnall Clarence H. // Bell Telephone Labor Inc | ||||
| PDF File 2258980.pdf | 1.37 MB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2258980-A // Telephone system // Eagon Lloyd L. ; York James B. Mckim New // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Oct 14, 1941 00:00 | US-2258980-A // Telephone system // Eagon Lloyd L. ; York James B. Mckim New // Bell Telephone Labor Inc | ||||
| PDF File 2259000.pdf | 882 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2259000-A // Transmission of frequency modulated waves // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 882 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2259000-A // Transmission of frequency modulated waves // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2259100.pdf | 793 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2259100-A // Operator's position circuit // Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2259100-A // Operator's position circuit // Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 2259101.pdf | 2.80 MB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2259101-A // Telephone system // Davis Richard C. ; Newsom James B. ; Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.80 MB | Shaun Ewing | Oct 14, 1941 00:00 | US-2259101-A // Telephone system // Davis Richard C. ; Newsom James B. ; Strickler Walter B. // Bell Telephone Labor Inc |
