Inventor · disambiguated record
Dwight W. Berreman
Also filed as: BERREMAN DWIGHT W · BERREMAN DWIGHT WINTON
6 granted patents·542 citations·filing 1975–1983
87Inventor score
Top patents by PatentIndex Score
6 records- 0196US4190330AVariable focus liquid crystal lens systemBELL TELEPHONE LABOR INC·Filed 1977·Granted Feb 26, 1980·407 cites·11 claims
- 0289US4239345ABistable liquid crystal twist cellBELL TELEPHONE LABOR INC·Filed 1979·Granted Dec 16, 1980·53 cites·11 claims
- 0380US4529271AMatrix addressed bistable liquid crystal displayAT & T BELL LAB·Filed 1982·Granted Jul 16, 1985·42 cites·15 claims
- 0463US4505548ABistable liquid crystal twist cellAT & T BELL LAB·Filed 1983·Granted Mar 19, 1985·22 cites·3 claims
- 0558US4043640ALiquid crystal twist cell with grey scale capabilitiesBELL TELEPHONE LABOR INC·Filed 1975·Granted Aug 23, 1977·14 cites·4 claims
- 0633US4033671ALiquid crystal twist cellsBELL TELEPHONE LABOR INC·Filed 1975·Granted Jul 5, 1977·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →