Title:
Optical method and means
Document Type and Number:
United States Patent 2336508

Inventors:
Maclean, Smith Francis
Aquinas, Kirby Thomas
Publication Date:
12/14/1943
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Referenced by:
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Assignee:
Maclean, Smith Francis
Aquinas, Kirby Thomas
Primary Class:
353/37
Other Classes:
472/58, 352/89, 359/633, 353/121
International Classes:
G03B21/00




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