Title:
Pumping apparatus
Document Type and Number:
United States Patent 1844460
Inventors:
Butler, Clyde G.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
02/09/1932
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Referenced by:
Export Citation:
Assignee:
CINCINNATI BALL CRANK COMPANY
Primary Class:
Other Classes:
137/115.130, 418/190, 137/625.410
International Classes:
F04C11/00