Spark plug cleaning machine
United States Patent 2725063
US Patent References:
/1653495.html
- - 1653495

Machine head-control mechanism
- - 2376540

Centrifugal extractor
- - 2409341


Inventors:
Huffman, Delmar E.
Publication Date:
11/29/1955
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Assignee:
Jack, Stone C.
Primary Class:
134/142
Other Classes:
134/153, 134/102.100, 198/377.010
International Classes:
B24C3/34; C23G3/00; B24C3/00