Gun sight mounting
United States Patent 2390516

Inventors:
Crawford, David J.
Publication Date:
12/11/1945
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Assignee:
Crawford, David J.
Primary Class:
356/254
Other Classes:
89/200, 89/36.140, 89/41.190, 89/41.010
International Classes:
F41G1/393; F41G1/40; F41G1/00