Name Size Creator Creation Date Labels Comment  
PDF File 1110071.pdf 1.90 MB Shaun Ewing Sept 08, 1914 00:00
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US-1110071-A // Automatic trunking system. // Edward A. Mellinger // Automatic Electric Co
PDF File 1293499.pdf 1.89 MB Shaun Ewing Feb 04, 1919 00:00
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US-1293499-A // Automatic telephone system. // Talbot G. Martin // Automatic Electric Co
PDF File 1227523.pdf 1.88 MB Shaun Ewing May 22, 1917 00:00
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US-1227523-A // Phonographic time-announcer. // John G. Blessing // Automatic Electric Co
PDF File 1186823.pdf 1.88 MB Shaun Ewing Jun 13, 1916 00:00
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US-1186823-A // Measured-service telephone system. // Frank Newforth, Jr. // Automatic Electric Co
PDF File 1221801.pdf 1.88 MB Shaun Ewing Oct 26, 1920 00:00
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US-1221801-A // Selective signaling system. // John A. Hulit // Automatic Electric Co
PDF File 1209293.pdf 1.86 MB Shaun Ewing Dec 19, 1916 00:00
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US-1209293-A // Automatic telephone system. // Harry E. Hershey ; George A. Yanochowski // Automatic Electric Co
PDF File 1258956.pdf 1.84 MB Shaun Ewing Mar 12, 1918 00:00
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US-1258956-A // Automatic telephone system. // Arthur Bessey Smith // Automatic Electric Co
PDF File 1292522.pdf 1.83 MB Shaun Ewing Jan 28, 1919 00:00
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US-1292522-A // Semi-automatic telephone system. // Michael Schwartz // Automatic Electric Co
PDF File 1267784.pdf 1.83 MB Shaun Ewing May 28, 1918 00:00
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US-1267784-A // Telephone system. // Talbot G. Martin // Automatic Electric Co
PDF File 1264183.pdf 1.82 MB Shaun Ewing Apr 30, 1918 00:00
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US-1264183-A // Measured-service telephone system. // Harry E. Hershey ; George A. Yanochowski // Automatic Electric Co
PDF File 1217426.pdf 1.80 MB Shaun Ewing Feb 27, 1917 00:00
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US-1217426-A // Measured-service telephone system. // John Erickson // Automatic Electric Co
PDF File 1175119.pdf 1.79 MB Shaun Ewing Mar 14, 1916 00:00
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US-1175119-A // Automatic telephone switching apparatus. // Albert H. Blessing // Automatic Electric Co
PDF File 1278282.pdf 1.79 MB Shaun Ewing Sept 10, 1918 00:00
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US-1278282-A // Telephone system. // George A. Yanochoswki ; Harry E. Hershey // Automatic Electric Co
PDF File 1277675.pdf 1.78 MB Shaun Ewing Sept 03, 1918 00:00
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US-1277675-A // Automatic telephone system. // Bernard D. Willis // Automatic Electric Co
PDF File 866639.pdf 1.78 MB Shaun Ewing Sept 24, 1907 00:00
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US-866639-A // Automatic telephone release. // Edward D. Fales // Automatic Electric Co
PDF File 1256817.pdf 1.77 MB Shaun Ewing Feb 19, 1918 00:00
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US-1256817-A // Automatic telephone system. // Frank Newforth, Jr. // Automatic Electric Co
PDF File 1191210.pdf 1.76 MB Shaun Ewing Jul 18, 1916 00:00
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US-1191210-A // Telephone intercommunicating and supervisory system. // Talbot G. Martin // Automatic Electric Co
PDF File 1239587.pdf 1.73 MB Shaun Ewing Sept 11, 1917 00:00
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US-1239587-A // Measured-service telephone system. // Roy C. Gifford // Automatic Electric Co
PDF File 1051894.pdf 1.71 MB Shaun Ewing Feb 04, 1913 00:00
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US-1051894-A // Special-call telephone system. // Alexander E. Keith // Automatic Electric Co
PDF File 1104451.pdf 1.70 MB Shaun Ewing Jul 21, 1914 00:00
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US-1104451-A // Telephone automatic trunk-selecting system. // Michael Setter // Automatic Electric Co
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