Inventor · disambiguated record
John G. Engstrom
Also filed as: ENGSTROM JOHN G · ENGSTROM JOHN GORDON
6 granted patents·204 citations·filing 1974–1987
86Inventor score
Files withAMERICAN TELEPHONE & TELEGRAPH COMPANY AT&T INFORMATION SYSTEMS1AT & T BELL LAB1AT & T INFORMATION SYSTEMS INC1AT & T TECHNOLOGIES INC1BELL TELEPHONE LABOR INC1
Top patents by PatentIndex Score
6 records- 0197USD280896SPortable transmitterAT & T BELL LAB·Filed 1983·Granted Oct 8, 1985·65 cites·1 claims
- 0292US3941951ATelephone standBELL TELEPHONE LABOR INC·Filed 1974·Granted Mar 2, 1976·81 cites·2 claims
- 0382USD252331STelephone standBELL TELEPHONE LABORATORIES INCORPORATED·Filed 1977·Granted Jul 10, 1979·18 cites·1 claims
- 0470USD297325STelephone standAMERICAN TELEPHONE & TELEGRAPH COMPANY AT&T INFORMATION SYSTEMS·Filed 1987·Granted Aug 23, 1988·15 cites·1 claims
- 0559US4587517AIntrusion sensing deviceAT & T TECHNOLOGIES INC·Filed 1985·Granted May 6, 1986·22 cites·12 claims
- 0643USD282358STelecommunications system console or similar articleAT&T INFORMATION SYSTEMS INC·Filed 1983·Granted Jan 28, 1986·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →