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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1333111.pdf | 262 kB | Shaun Ewing | Mar 09, 1920 00:00 |
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US-1333111-A // Impedance-equalizer for use with transformers // Hoyt Ray S. // American Telephone ; Telegraph Company | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Mar 09, 1920 00:00 | US-1333111-A // Impedance-equalizer for use with transformers // Hoyt Ray S. // American Telephone ; Telegraph Company | ||||
| PDF File 1228167.pdf | 262 kB | Shaun Ewing | May 29, 1917 00:00 |
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US-1228167-A // Auxiliary-supervisory-signal system. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 262 kB | Shaun Ewing | May 29, 1917 00:00 | US-1228167-A // Auxiliary-supervisory-signal system. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1262912.pdf | 261 kB | Shaun Ewing | Apr 16, 1918 00:00 |
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US-1262912-A // Means for preventing disturbances in substation telephone sets. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 261 kB | Shaun Ewing | Apr 16, 1918 00:00 | US-1262912-A // Means for preventing disturbances in substation telephone sets. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1200822.pdf | 261 kB | Shaun Ewing | Oct 10, 1916 00:00 |
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US-1200822-A // Governing device for escapement mechanism. // John Erickson // American Telephone Fire Alarm Company | |||
| Version 1 (current) | 261 kB | Shaun Ewing | Oct 10, 1916 00:00 | US-1200822-A // Governing device for escapement mechanism. // John Erickson // American Telephone Fire Alarm Company | ||||
| PDF File 831131.pdf | 260 kB | Shaun Ewing | Sept 18, 1906 00:00 |
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US-831131-A // Multiconductor-cable. // Walter C. Yeatman // American Telephone & Telegraph | |||
| Version 1 (current) | 260 kB | Shaun Ewing | Sept 18, 1906 00:00 | US-831131-A // Multiconductor-cable. // Walter C. Yeatman // American Telephone & Telegraph | ||||
| PDF File 371557.pdf | 260 kB | Shaun Ewing | Oct 18, 1887 00:00 |
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US-371557-A // Means for preventing induction on electrical conductors // Stephen C. Drew, Of Massachusetts // American Telephone & Telegraph, Maine | |||
| Version 1 (current) | 260 kB | Shaun Ewing | Oct 18, 1887 00:00 | US-371557-A // Means for preventing induction on electrical conductors // Stephen C. Drew, Of Massachusetts // American Telephone & Telegraph, Maine | ||||
| PDF File 1100018.pdf | 258 kB | Shaun Ewing | Jun 16, 1914 00:00 |
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US-1100018-A // Case for loading coils. // Frank B. Jewett ; Thomas Shaw // American Telephone & Telegraph | |||
| Version 1 (current) | 258 kB | Shaun Ewing | Jun 16, 1914 00:00 | US-1100018-A // Case for loading coils. // Frank B. Jewett ; Thomas Shaw // American Telephone & Telegraph | ||||
| PDF File 931231.pdf | 257 kB | Shaun Ewing | Aug 17, 1909 00:00 |
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US-931231-A // Mounting for telephone instruments. // Herbert E. Shreeve // American Telephone & Telegraph | |||
| Version 1 (current) | 257 kB | Shaun Ewing | Aug 17, 1909 00:00 | US-931231-A // Mounting for telephone instruments. // Herbert E. Shreeve // American Telephone & Telegraph | ||||
| PDF File 1227735.pdf | 256 kB | Shaun Ewing | May 29, 1917 00:00 |
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US-1227735-A // System for connecting telephone-stations. // Leon D. Barrows ; Harry P. Charlesworth // American Telephone & Telegraph | |||
| Version 1 (current) | 256 kB | Shaun Ewing | May 29, 1917 00:00 | US-1227735-A // System for connecting telephone-stations. // Leon D. Barrows ; Harry P. Charlesworth // American Telephone & Telegraph | ||||
| PDF File 1245894.pdf | 255 kB | Shaun Ewing | Nov 06, 1917 00:00 |
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US-1245894-A // Telegraphic receiving system. // John M. Fell // American Telephone & Telegraph | |||
| Version 1 (current) | 255 kB | Shaun Ewing | Nov 06, 1917 00:00 | US-1245894-A // Telegraphic receiving system. // John M. Fell // American Telephone & Telegraph | ||||
| PDF File 737704.pdf | 254 kB | Shaun Ewing | Sept 01, 1903 00:00 |
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US-737704-A // Self-induction coil. // George A. Campbell ; Wilton L. Richards // American Telephone & Telegraph | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Sept 01, 1903 00:00 | US-737704-A // Self-induction coil. // George A. Campbell ; Wilton L. Richards // American Telephone & Telegraph | ||||
| PDF File 1093001.pdf | 249 kB | Shaun Ewing | Apr 14, 1914 00:00 |
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US-1093001-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 249 kB | Shaun Ewing | Apr 14, 1914 00:00 | US-1093001-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1351845.pdf | 242 kB | Shaun Ewing | Sept 07, 1920 00:00 |
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US-1351845-A // Anchoring device // Fish Lewin Benjamin // American Telephone & Telegraph | |||
| Version 1 (current) | 242 kB | Shaun Ewing | Sept 07, 1920 00:00 | US-1351845-A // Anchoring device // Fish Lewin Benjamin // American Telephone & Telegraph | ||||
| PDF File 855395.pdf | 240 kB | Shaun Ewing | May 28, 1907 00:00 |
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US-855395-A // Telephone-transmitter. // Oscar F. Falk // American Telephone & Telegraph | |||
| Version 1 (current) | 240 kB | Shaun Ewing | May 28, 1907 00:00 | US-855395-A // Telephone-transmitter. // Oscar F. Falk // American Telephone & Telegraph | ||||
| PDF File 1334674.pdf | 231 kB | Shaun Ewing | Mar 23, 1920 00:00 |
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US-1334674-A // Ratchet-screwdriver // Jr. Alphonse Pannitti, // American Telephone ; Telegraph Company | |||
| Version 1 (current) | 231 kB | Shaun Ewing | Mar 23, 1920 00:00 | US-1334674-A // Ratchet-screwdriver // Jr. Alphonse Pannitti, // American Telephone ; Telegraph Company | ||||
| PDF File 737703.pdf | 230 kB | Shaun Ewing | Sept 01, 1903 00:00 |
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US-737703-A // Self-induction coil. // George A. Campbell // American Telephone & Telegraph | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Sept 01, 1903 00:00 | US-737703-A // Self-induction coil. // George A. Campbell // American Telephone & Telegraph | ||||
| PDF File 1222771.pdf | 229 kB | Shaun Ewing | Apr 17, 1917 00:00 |
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US-1222771-A // Telegraphic receiving organisms. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 229 kB | Shaun Ewing | Apr 17, 1917 00:00 | US-1222771-A // Telegraphic receiving organisms. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1332927.pdf | 226 kB | Shaun Ewing | Mar 09, 1920 00:00 |
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US-1332927-A // Reeling device // Smith Temple C. // American Telephone ; Telegraph Company | |||
| Version 1 (current) | 226 kB | Shaun Ewing | Mar 09, 1920 00:00 | US-1332927-A // Reeling device // Smith Temple C. // American Telephone ; Telegraph Company | ||||
| PDF File 1357264.pdf | 220 kB | Shaun Ewing | Nov 02, 1920 00:00 |
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US-1357264-A // Magnetic modulator // Dyke Karl S. Van // American Telephone & Telegraph | |||
| Version 1 (current) | 220 kB | Shaun Ewing | Nov 02, 1920 00:00 | US-1357264-A // Magnetic modulator // Dyke Karl S. Van // American Telephone & Telegraph | ||||
| PDF File 1103073.pdf | 217 kB | Shaun Ewing | Jul 14, 1914 00:00 |
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US-1103073-A // Emergency signaling system for telephone toll-collecting apparatus. // Joseph J. O'Connell // American Telephone & Telegraph | |||
| Version 1 (current) | 217 kB | Shaun Ewing | Jul 14, 1914 00:00 | US-1103073-A // Emergency signaling system for telephone toll-collecting apparatus. // Joseph J. O'Connell // American Telephone & Telegraph |