Rug scrubbing machine
United States Patent 2640211
US Patent References:
/RE09847.html
- - RE09847

/1299989.html
- - 1299989

Surfacing machine
- - 2114966


Inventors:
Petersen, William L.
Publication Date:
06/02/1953
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Assignee:
CLARKE SANDING MACHINE COMPANY
Primary Class:
15/50.100
Other Classes:
280/43.200, 451/353
International Classes:
A47L11/283; A47L11/00
Foreign References:
DE634215C