Title:
Scraping and polishing apparatus
United States Patent 3100907

Inventors:
Schwertl, Otto (DE)
Publication Date:
08/20/1963
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Assignee:
Schwertl, Otto
Primary Class:
15/377
Other Classes:
15/359, 15/327.100, 15/418, 15/368
International Classes:
B44D3/16
US Patent References:
2102645Double brush type floor tool for air-method cleaners
2184401Suction cleaner
2348861Suction cleaner
2902921Means for separating grease from cooked foods