Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1985-12-27
1988-07-26
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02969017
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patent: D218576 (1970-09-01), Van Acker
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patent: D270537 (1983-09-01), Hara
patent: D275863 (1984-10-01), Hawley
patent: 3602639 (1971-08-01), Alden
patent: 4165168 (1979-08-01), Baumann
patent: 4627715 (1986-12-01), Kikuno
Office Products Dealer--5/83-p. 109--copier at top-right.
Xerox 1035 Manathon brochure--7/84--front--copier.
Kosako Mikio
Nishibori Hiroshi
Holtje Nelson C.
Sharp Corporation
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