Title:
Gun attachment
United States Patent 1347509

Inventors:
Howe, Olaf L.
Publication Date:
07/27/1920
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Assignee:
Howe, Olaf L.
Primary Class:
222/192
Other Classes:
222/191, 222/394
International Classes:
F41C27/00; F41H9/10; F41H9/00