Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1984-07-17
1986-11-04
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D14110
Patent
active
D02865394
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The Office, 4/1983-p. 187-Sorter w/Copier.
Holtje Nelson C.
Ricoh & Company, Ltd.
Shoup Guy W.
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