Pneumatic hammer
United States Patent 1665046

Inventors:
Tucker, Ralph H.
Publication Date:
04/03/1928
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Assignee:
Tucker, Ralph H.
Primary Class:
173/127
Other Classes:
91/342, 91/330, 91/222, 173/137, 173/136, 91/235, 92/152, 173/211, 173/132, 173/169
International Classes:
B25D9/08; B25D9/00