Self propelled floor treating machine
United States Patent 3220043
US Patent References:
/0847947.html
- - 0847947

Self-propelling floor polisher
- - 1791812

Floor polishing machine
- - 1849218

/2266075.html
- - 2266075

Pickup brushes for sweepers
- - 2651803


Inventors:
Lampe, Robert C.
Publication Date:
11/30/1965
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Assignee:
ELECTROLUX CORP
Primary Class:
15/340.200
Other Classes:
15/410, 180/19.300, 15/384, 15/354, 15/369, 15/351, 15/52.100
International Classes:
A47L5/34; A47L5/22
Foreign References:
CH109854A