Name Size Creator Creation Date Labels Comment  
PDF File 1763770.pdf 248 kB Shaun Ewing Jun 17, 1930 00:00
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US-1763770-A // Cable clamp and bridle ring // Fish Lewin B. ; John Everett St. // American Telephone & Telegraph
PDF File 1763751.pdf 390 kB Shaun Ewing Jun 17, 1930 00:00
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US-1763751-A // Radio receiving system // Bown Ralph // American Telephone & Telegraph
PDF File 1762279.pdf 749 kB Shaun Ewing Jun 10, 1930 00:00
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US-1762279-A // Transmission system // Singer Fred J. // American Telephone & Telegraph
PDF File 1762278.pdf 1.21 MB Shaun Ewing Jun 10, 1930 00:00
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US-1762278-A // Transmission system // Singer Fred J. // American Telephone & Telegraph
PDF File 1762255.pdf 246 kB Shaun Ewing Jun 10, 1930 00:00
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US-1762255-A // Method of plugging cables // Baldwin Charles E. // American Telephone & Telegraph
PDF File 1762252.pdf 1.51 MB Shaun Ewing Jun 10, 1930 00:00
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US-1762252-A // Printing-telegraph exchange system // Vernam Gilbert S. // American Telephone & Telegraph
PDF File 1762212.pdf 429 kB Shaun Ewing Jun 10, 1930 00:00
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US-1762212-A // Thermionic vacuum tube // Jr. Charles W. Carter, // American Telephone & Telegraph
PDF File 1760984.pdf 1.13 MB Shaun Ewing Jun 03, 1930 00:00
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US-1760984-A // Transoceanic radio telephone system // Hamilton Harold S. // American Telephone & Telegraph
PDF File 1760983.pdf 750 kB Shaun Ewing Jun 03, 1930 00:00
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US-1760983-A // Insulator // Gordon Chester S. ; Lowe James T. // American Telephone & Telegraph
PDF File 1760973.pdf 356 kB Shaun Ewing Jun 03, 1930 00:00
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US-1760973-A // Electrical network // Zobel Otto J. // American Telephone & Telegraph
PDF File 1760957.pdf 699 kB Shaun Ewing Jun 03, 1930 00:00
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US-1760957-A // Vacuum-tube detector // Ohl Russell S. // American Telephone & Telegraph
PDF File 1760920.pdf 389 kB Shaun Ewing Jun 03, 1930 00:00
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US-1760920-A // Testing system // Stromberg Sven E. // American Telephone & Telegraph
PDF File 1759952.pdf 354 kB Shaun Ewing May 27, 1930 00:00
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US-1759952-A // Electrical transmission system // Mccurdy Ralph G. // American Telephone & Telegraph
PDF File 1759950.pdf 901 kB Shaun Ewing May 27, 1930 00:00
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US-1759950-A // Alternating-current telegraph system // Matte Andrew L. // American Telephone & Telegraph
PDF File 1759938.pdf 399 kB Shaun Ewing May 27, 1930 00:00
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US-1759938-A // Coordination of direction-finder observations // Dean Samuel W. // American Telephone & Telegraph
PDF File 1759933.pdf 316 kB Shaun Ewing May 27, 1930 00:00
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US-1759933-A // Contact-making device // Bonell Ralph K. // American Telephone & Telegraph
PDF File 1759915.pdf 204 kB Shaun Ewing May 27, 1930 00:00
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US-1759915-A // Photo-electric cell // Potter Ralph K. // American Telephone & Telegraph
PDF File 1759026.pdf 186 kB Shaun Ewing May 20, 1930 00:00
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US-1759026-A // Telegraph apparatus // Terriberry Warren S. // American Telephone & Telegraph
PDF File 1759023.pdf 252 kB Shaun Ewing May 20, 1930 00:00
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US-1759023-A // Electrical protective device // Schirmer August H. // American Telephone & Telegraph
PDF File 1759019.pdf 645 kB Shaun Ewing May 20, 1930 00:00
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US-1759019-A // Electrical testing system // Murphy John B. // American Telephone & Telegraph
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