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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2008264.pdf | 993 kB | Shaun Ewing | Jul 16, 1935 00:00 |
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US-2008264-A // Signaling system // Soffel Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 993 kB | Shaun Ewing | Jul 16, 1935 00:00 | US-2008264-A // Signaling system // Soffel Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2093854.pdf | 992 kB | Shaun Ewing | Sept 21, 1937 00:00 |
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US-2093854-A // Measuring device // Swart Leland K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 992 kB | Shaun Ewing | Sept 21, 1937 00:00 | US-2093854-A // Measuring device // Swart Leland K. // Bell Telephone Labor Inc | ||||
| PDF File 1844423.pdf | 991 kB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1844423-A // Attenuation and volume control // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 991 kB | Shaun Ewing | Feb 09, 1932 00:00 | US-1844423-A // Attenuation and volume control // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2084115.pdf | 990 kB | Shaun Ewing | Jun 15, 1937 00:00 |
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US-2084115-A // Control circuits // Terry Donald M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 990 kB | Shaun Ewing | Jun 15, 1937 00:00 | US-2084115-A // Control circuits // Terry Donald M. // Bell Telephone Labor Inc | ||||
| PDF File 2225478.pdf | 990 kB | Shaun Ewing | Dec 17, 1940 00:00 |
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US-2225478-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 990 kB | Shaun Ewing | Dec 17, 1940 00:00 | US-2225478-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1925696.pdf | 988 kB | Shaun Ewing | Sept 05, 1933 00:00 |
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US-1925696-A // Telephone system // Irvine Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Sept 05, 1933 00:00 | US-1925696-A // Telephone system // Irvine Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2179106.pdf | 988 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179106-A // Secrecy signaling system // Taylor Charles C. ; Wright Sumner B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179106-A // Secrecy signaling system // Taylor Charles C. ; Wright Sumner B. // Bell Telephone Labor Inc | ||||
| PDF File 2008266.pdf | 988 kB | Shaun Ewing | Jul 16, 1935 00:00 |
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US-2008266-A // Antenna sleet melting apparatus // Sterba Ernest J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Jul 16, 1935 00:00 | US-2008266-A // Antenna sleet melting apparatus // Sterba Ernest J. // Bell Telephone Labor Inc | ||||
| PDF File 2173481.pdf | 988 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173481-A // Manufacture of electroacoustic devices // Kalin Walter // Bell Telephone Labor Inc | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173481-A // Manufacture of electroacoustic devices // Kalin Walter // Bell Telephone Labor Inc | ||||
| PDF File 2141376.pdf | 987 kB | Shaun Ewing | Dec 27, 1938 00:00 |
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US-2141376-A // Frequency regulation of oscillators in ultra short wave receivers // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 987 kB | Shaun Ewing | Dec 27, 1938 00:00 | US-2141376-A // Frequency regulation of oscillators in ultra short wave receivers // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2138577.pdf | 987 kB | Shaun Ewing | Nov 29, 1938 00:00 |
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US-2138577-A // Electro-optical transmission // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 987 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138577-A // Electro-optical transmission // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 1982805.pdf | 987 kB | Shaun Ewing | Dec 04, 1934 00:00 |
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US-1982805-A // Pneumatic ticket distributing system // Hampton Leon N. ; Davis Roy W. ; Richard Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 987 kB | Shaun Ewing | Dec 04, 1934 00:00 | US-1982805-A // Pneumatic ticket distributing system // Hampton Leon N. ; Davis Roy W. ; Richard Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2164325.pdf | 986 kB | Shaun Ewing | Jul 04, 1939 00:00 |
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US-2164325-A // Telephone system // Hartley Ralph V. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 986 kB | Shaun Ewing | Jul 04, 1939 00:00 | US-2164325-A // Telephone system // Hartley Ralph V. L. // Bell Telephone Labor Inc | ||||
| PDF File 1918822.pdf | 985 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918822-A // Signal transmission system // Norman Nathaniel C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 985 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918822-A // Signal transmission system // Norman Nathaniel C. // Bell Telephone Labor Inc | ||||
| PDF File 1836549.pdf | 984 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836549-A // Telephone exchange system // Paine Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 984 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836549-A // Telephone exchange system // Paine Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2140915.pdf | 983 kB | Shaun Ewing | Dec 20, 1938 00:00 |
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US-2140915-A // Distortion correction in wave transmission // Jr. John G. Kreer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 983 kB | Shaun Ewing | Dec 20, 1938 00:00 | US-2140915-A // Distortion correction in wave transmission // Jr. John G. Kreer, // Bell Telephone Labor Inc | ||||
| PDF File 2223224.pdf | 983 kB | Shaun Ewing | Nov 26, 1940 00:00 |
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US-2223224-A // Radio speed and drift indicator // Newhouse Russell C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 983 kB | Shaun Ewing | Nov 26, 1940 00:00 | US-2223224-A // Radio speed and drift indicator // Newhouse Russell C. // Bell Telephone Labor Inc | ||||
| PDF File 2094060.pdf | 982 kB | Shaun Ewing | Sept 28, 1937 00:00 |
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US-2094060-A // Timing apparatus // Busch Aloysius J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 982 kB | Shaun Ewing | Sept 28, 1937 00:00 | US-2094060-A // Timing apparatus // Busch Aloysius J. // Bell Telephone Labor Inc | ||||
| PDF File 1965383.pdf | 982 kB | Shaun Ewing | Jul 03, 1934 00:00 |
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US-1965383-A // Station circuit for telegraph exchange systems // Lane Cuthbert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 982 kB | Shaun Ewing | Jul 03, 1934 00:00 | US-1965383-A // Station circuit for telegraph exchange systems // Lane Cuthbert C. // Bell Telephone Labor Inc | ||||
| PDF File 2186217.pdf | 981 kB | Shaun Ewing | Jan 09, 1940 00:00 |
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US-2186217-A // Control of electric generating apparatus // Spencer Harry H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 981 kB | Shaun Ewing | Jan 09, 1940 00:00 | US-2186217-A // Control of electric generating apparatus // Spencer Harry H. // Bell Telephone Labor Inc |
