Inventor · disambiguated record

David D. Scofield

Also filed as: PURDY STEPHEN J · SCOFIELD DAVID D

2 granted patents·103 citations·filing 1979–1988

61Inventor score

Technology areasH01S H04N

Files withHUGHES AIRCRAFT CO2

Top patents by PatentIndex Score

2 records

0192US4191456AOptical block for high brightness full color video projection systemHUGHES AIRCRAFT CO·Filed 1979·Granted Mar 4, 1980·102 cites·6 claims
0226US4893900AMethod of altering reflectivity of optical elementsHUGHES AIRCRAFT CO·Filed 1988·Granted Jan 16, 1990·1 cites·19 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →