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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2428819.pdf | 468 kB | Shaun Ewing | Oct 14, 1947 00:00 |
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US-2428819-A // Secondary electron emission type of pulse generator // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Oct 14, 1947 00:00 | US-2428819-A // Secondary electron emission type of pulse generator // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2435586.pdf | 467 kB | Shaun Ewing | Feb 10, 1948 00:00 |
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US-2435586-A // Electron velocity sorting discharge device // Hartman Paul L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Feb 10, 1948 00:00 | US-2435586-A // Electron velocity sorting discharge device // Hartman Paul L. // Bell Telephone Labor Inc | ||||
| PDF File 2504329.pdf | 467 kB | Shaun Ewing | Apr 18, 1950 00:00 |
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US-2504329-A // Oscillation damping device // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Apr 18, 1950 00:00 | US-2504329-A // Oscillation damping device // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2484234.pdf | 467 kB | Shaun Ewing | Oct 11, 1949 00:00 |
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US-2484234-A // Telephone system arranged for voice frequency signaling // Mckim Burton ; Jr. Josiah L. Merrill, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Oct 11, 1949 00:00 | US-2484234-A // Telephone system arranged for voice frequency signaling // Mckim Burton ; Jr. Josiah L. Merrill, // Bell Telephone Labor Inc | ||||
| PDF File 2406031.pdf | 467 kB | Shaun Ewing | Aug 20, 1946 00:00 |
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US-2406031-A // Telegraph ciphering key tape machine // Parker Ralzemond D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Aug 20, 1946 00:00 | US-2406031-A // Telegraph ciphering key tape machine // Parker Ralzemond D. // Bell Telephone Labor Inc | ||||
| PDF File 2416720.pdf | 467 kB | Shaun Ewing | Mar 04, 1947 00:00 |
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US-2416720-A // Electrooptical device // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Mar 04, 1947 00:00 | US-2416720-A // Electrooptical device // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2488350.pdf | 465 kB | Shaun Ewing | Nov 15, 1949 00:00 |
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US-2488350-A // Rectifying apparatus // Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Nov 15, 1949 00:00 | US-2488350-A // Rectifying apparatus // Trucksess David E. // Bell Telephone Labor Inc | ||||
| PDF File 2436402.pdf | 464 kB | Shaun Ewing | Feb 24, 1948 00:00 |
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US-2436402-A // Method of laying communication lines // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Feb 24, 1948 00:00 | US-2436402-A // Method of laying communication lines // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2416355.pdf | 464 kB | Shaun Ewing | Feb 25, 1947 00:00 |
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US-2416355-A // Impulse generator circuits // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Feb 25, 1947 00:00 | US-2416355-A // Impulse generator circuits // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2412625.pdf | 463 kB | Shaun Ewing | Dec 17, 1946 00:00 |
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US-2412625-A // Telephone call transmitter // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Dec 17, 1946 00:00 | US-2412625-A // Telephone call transmitter // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2406351.pdf | 463 kB | Shaun Ewing | Aug 27, 1946 00:00 |
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US-2406351-A // Speech privacy system // Macnair Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Aug 27, 1946 00:00 | US-2406351-A // Speech privacy system // Macnair Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2453759.pdf | 463 kB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2453759-A // Tapered union for concentric conductor lines // Robinson Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Nov 16, 1948 00:00 | US-2453759-A // Tapered union for concentric conductor lines // Robinson Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 2478759.pdf | 462 kB | Shaun Ewing | Aug 09, 1949 00:00 |
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US-2478759-A // Radio position indicator // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Aug 09, 1949 00:00 | US-2478759-A // Radio position indicator // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2403445.pdf | 461 kB | Shaun Ewing | Jul 09, 1946 00:00 |
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US-2403445-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 461 kB | Shaun Ewing | Jul 09, 1946 00:00 | US-2403445-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2415850.pdf | 461 kB | Shaun Ewing | Feb 18, 1947 00:00 |
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US-2415850-A // Ultra high frequency device // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 461 kB | Shaun Ewing | Feb 18, 1947 00:00 | US-2415850-A // Ultra high frequency device // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2417099.pdf | 460 kB | Shaun Ewing | Mar 11, 1947 00:00 |
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US-2417099-A // Variable resistance standard // Windeler Alfred S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Mar 11, 1947 00:00 | US-2417099-A // Variable resistance standard // Windeler Alfred S. // Bell Telephone Labor Inc | ||||
| PDF File 2503000.pdf | 459 kB | Shaun Ewing | Apr 04, 1950 00:00 |
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US-2503000-A // Carrier telegraphy // Shanck Roy B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Apr 04, 1950 00:00 | US-2503000-A // Carrier telegraphy // Shanck Roy B. // Bell Telephone Labor Inc | ||||
| PDF File 2414456.pdf | 459 kB | Shaun Ewing | Jan 21, 1947 00:00 |
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US-2414456-A // Electrical testing system // Edson William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Jan 21, 1947 00:00 | US-2414456-A // Electrical testing system // Edson William A. // Bell Telephone Labor Inc | ||||
| PDF File 2417829.pdf | 458 kB | Shaun Ewing | Mar 25, 1947 00:00 |
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US-2417829-A // Compressional wave signaling device // Keller Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Mar 25, 1947 00:00 | US-2417829-A // Compressional wave signaling device // Keller Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 2434945.pdf | 458 kB | Shaun Ewing | Jan 27, 1948 00:00 |
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US-2434945-A // Direction finding instrument // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Jan 27, 1948 00:00 | US-2434945-A // Direction finding instrument // Mason Warren P. // Bell Telephone Labor Inc |
