Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1985-03-20
1987-08-11
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02913224
REFERENCES:
patent: D250820 (1979-01-01), Schindler
patent: D251092 (1979-02-01), Chipner
patent: 3598984 (1971-08-01), Slomski
patent: 3927412 (1975-12-01), Ellin
patent: 4136377 (1979-01-01), Fohl
patent: 4164007 (1979-08-01), Audesse
patent: 4176389 (1979-11-01), Harvey
patent: 4245279 (1981-01-01), Bouchard
patent: 4353109 (1982-10-01), Weber
Audesse Emery G.
Brower Boyd G.
Picini Dan E.
Fraley Lawrence R.
GTE Products Corporation
Holtje Nelson C.
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