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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1768251.pdf | 447 kB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1768251-A // Electric wave transmission device // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 447 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1768251-A // Electric wave transmission device // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 1768240.pdf | 484 kB | Shaun Ewing | Jun 24, 1930 00:00 |
|
US-1768240-A // Loading-coil case // Falk Arthur H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 484 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1768240-A // Loading-coil case // Falk Arthur H. // Bell Telephone Labor Inc | ||||
| PDF File 1767964.pdf | 361 kB | Shaun Ewing | Jun 24, 1930 00:00 |
|
US-1767964-A // Vacuum-tube circuits // Cousins Van Meter // Bell Telephone Labor Inc | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767964-A // Vacuum-tube circuits // Cousins Van Meter // Bell Telephone Labor Inc | ||||
| PDF File 1767962.pdf | 3.83 MB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1767962-A // Automatic telephone-exchange system // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.83 MB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767962-A // Automatic telephone-exchange system // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 1767961.pdf | 4.20 MB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1767961-A // Automatic telephone-exchange system // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.20 MB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767961-A // Automatic telephone-exchange system // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 1767960.pdf | 4.05 MB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1767960-A // Automatic telephone exchange // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.05 MB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767960-A // Automatic telephone exchange // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 1767959.pdf | 3.65 MB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1767959-A // Automatic telephone-exchange system // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.65 MB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767959-A // Automatic telephone-exchange system // Clark Edgar H. ; Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 1767929.pdf | 1.46 MB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1767929-A // Telephone system // Johnson Herbert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.46 MB | Shaun Ewing | Jun 24, 1930 00:00 | US-1767929-A // Telephone system // Johnson Herbert B. // Bell Telephone Labor Inc | ||||
| PDF File 1766473.pdf | 1.06 MB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1766473-A // Electrodynamic device // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Jun 24, 1930 00:00 | US-1766473-A // Electrodynamic device // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 1765523.pdf | 385 kB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1765523-A // Signal-transmission system // Ceccarini Olindo O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1765523-A // Signal-transmission system // Ceccarini Olindo O. // Bell Telephone Labor Inc | ||||
| PDF File 1765396.pdf | 313 kB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1765396-A // Indicating system // Betts Philander H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 313 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1765396-A // Indicating system // Betts Philander H. // Bell Telephone Labor Inc | ||||
| PDF File 1763909.pdf | 874 kB | Shaun Ewing | Jun 17, 1930 00:00 |
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US-1763909-A // Speed regulator // Stoller Hugh M. ; Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 874 kB | Shaun Ewing | Jun 17, 1930 00:00 | US-1763909-A // Speed regulator // Stoller Hugh M. ; Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 1763893.pdf | 1.93 MB | Shaun Ewing | Jun 17, 1930 00:00 |
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US-1763893-A // Telephone system // Krecek Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.93 MB | Shaun Ewing | Jun 17, 1930 00:00 | US-1763893-A // Telephone system // Krecek Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 1763891.pdf | 173 kB | Shaun Ewing | Jun 17, 1930 00:00 |
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US-1763891-A // Sound recording // Jones Warren C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 173 kB | Shaun Ewing | Jun 17, 1930 00:00 | US-1763891-A // Sound recording // Jones Warren C. // Bell Telephone Labor Inc | ||||
| PDF File 1763880.pdf | 525 kB | Shaun Ewing | Jun 17, 1930 00:00 |
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US-1763880-A // Signaling system // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 525 kB | Shaun Ewing | Jun 17, 1930 00:00 | US-1763880-A // Signaling system // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 1763203.pdf | 742 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763203-A // Remote-control system // Vieth William F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763203-A // Remote-control system // Vieth William F. // Bell Telephone Labor Inc | ||||
| PDF File 1763194.pdf | 1000 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763194-A // Communication system // Sivian Leon J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763194-A // Communication system // Sivian Leon J. // Bell Telephone Labor Inc | ||||
| PDF File 1763172.pdf | 208 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763172-A // Electro-polarized relay // Miller Ohmer R. ; Mead Edward D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 208 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763172-A // Electro-polarized relay // Miller Ohmer R. ; Mead Edward D. // Bell Telephone Labor Inc | ||||
| PDF File 1763169.pdf | 740 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763169-A // Sound recording // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 740 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763169-A // Sound recording // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1763161.pdf | 917 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1763161-A // Telephone system // Koechling Charles D. ; King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 917 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1763161-A // Telephone system // Koechling Charles D. ; King Gerald V. // Bell Telephone Labor Inc |
