Title:
Silencer
United States Patent 1611475

Inventors:
Percy, Maxim Hiram
Publication Date:
12/21/1926
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Assignee:
MAXIM SILENCER CO
Primary Class:
181/249
Other Classes:
165/174
International Classes:
F01N1/00; F01N1/08; F01N7/00; F02M35/12