Title:
Projection apparatus
United States Patent 3401596
US Patent References:
Electric lamp
- - 1459083

Flash light
- - 1590623

Amusement device
- - 2048365


Inventors:
Hirsch, Jeffery G.
Publication Date:
09/17/1968
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Primary Class:
353/43
Other Classes:
362/806, 362/310, 362/205
International Classes:
G03B21/26




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