GTE Business Communication Systems Inc.

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Waltham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Network control center call trace
- Patent number 4,464,543
- Issue date Aug 7, 1984
- GTE Business Communication Systems Inc.
- Samuel J. Kline
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunication trunk circuit reporter and advisor
- Patent number 4,456,788
- Issue date Jun 26, 1984
- GTE Business Communication Systems Inc.
- Samuel J. Kline
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Internodal conference call administrator
- Patent number 4,455,455
- Issue date Jun 19, 1984
- GTE Business Communication Systems Inc.
- Richard E. Little
- H04 - ELECTRIC COMMUNICATION TECHNIQUE