Assignee

GTE BUSINESS COMMUNICATION SYSTEMS INC

3 granted patents·44 citations·filing 1983–1983

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3 records

0182USD280405SModular telephone base unitGTE BUSINESS COMMUNICATION SYSTEMS INC·Filed 1983·Granted Sep 3, 1985·19 cites·1 claims
0279USD282927STelephone instrumentGTE BUSINESS COMMUNICATION SYSTEMS INC·Filed 1983·Granted Mar 11, 1986·17 cites·1 claims
0362USD280506SModular telephone dialer unitGTE BUSINESS COMMUNICATION SYSTEMS INC·Filed 1983·Granted Sep 10, 1985·8 cites·1 claims

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