Intertel, Inc.

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Burlington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Communications unit for voice and data
- Patent number 4,306,116
- Issue date Dec 15, 1981
- Intertel, Inc.
- R. Bruce McClure
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic switching unit for data communications network
- Patent number 4,076,961
- Issue date Feb 28, 1978
- Intertel, Inc.
- Jerry L. Holsinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Line level signal measuring device
- Patent number 4,055,733
- Issue date Oct 25, 1977
- Intertel, Inc.
- Jerry L. Holsinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communications network testing system
- Patent number 4,055,808
- Issue date Oct 25, 1977
- Intertel, Inc.
- Jerry L. Holsinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator and demodulator for data communications network
- Patent number 4,037,049
- Issue date Jul 19, 1977
- Intertel, Inc.
- David L. Lyon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronizing circuit for modems in a data communications network
- Patent number 3,955,141
- Issue date May 4, 1976
- Intertel, Inc.
- David L. Lyon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73453149 - INFINET
- Serial number 73453149
- Registration number 1370973
- Filing date Nov 17, 1983
- INTERTEL, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73255574 - EMS
- Serial number 73255574
- Registration number 1188453
- Filing date Mar 26, 1980
- Intertel, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73255565 - EMS ONE
- Serial number 73255565
- Registration number 1188451
- Filing date Mar 26, 1980
- Intertel, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments