Combined overhead projector and automatic film feeding unit

Details Combined overhead projector and automatic film feeding unit Combined overhead projector and automatic film feeding unit

1995-05-01

1996-09-17

Shooman, Ted

Photography and optical equipment

Projector or viewer

Overhead or opaque type

D16246

Patent

active

D03737799

REFERENCES:
patent: D271208 (1983-11-01), Daggett et al.
patent: D307030 (1990-04-01), Kyhl
patent: 4942411 (1990-07-01), Polston
patent: 5339122 (1994-08-01), Polak et al.

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