Apparatus for cleaning lubricant cases of engines
United States Patent 1702703

Inventors:
Osborne, William L.
Publication Date:
02/19/1929
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Assignee:
OSBORNE PROCESS INC
Primary Class:
134/111
Other Classes:
141/25, 184/1.500, 134/168R, 222/189.060, 222/136
International Classes:
F01M11/04; F02B77/04