Inventor · disambiguated record

Donald E. Sprothbery

Also filed as: SPROTHBERY DONALD E

1 granted patent·130 citations·filing 1985–1985

54Inventor score

Technology areasG02B

Files withHUGHES AIRCRAFT CO1

Top patents by PatentIndex Score

1 record

0191US4836649AOptical layout for a three light valve full-color projector employing a dual relay lens system and a single projection lensHUGHES AIRCRAFT CO·Filed 1985·Granted Jun 6, 1989·130 cites·12 claims

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