Photography and optical equipment – Projector or viewer
Patent
1996-02-20
1998-04-28
Hyder, Philip S.
Photography and optical equipment
Projector or viewer
1602
Patent
active
D03938654
REFERENCES:
patent: 2265992 (1941-12-01), Beck
patent: 2584421 (1952-02-01), Brenchlev et al.
patent: 4257694 (1981-03-01), Reinhard
patent: 4725134 (1988-02-01), Ogino
Aronovich Adir
Hyder Philip S.
Thomson Multimedia (Societe Anonyme)
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