Self propelled floor treating machine
United States Patent 3220043
Inventors:
Lampe, Robert C.
Publication Date:
11/30/1965
Assignee:
ELECTROLUX CORP
Other Classes:
15/410, 180/19.300, 15/384, 15/354, 15/369, 15/351, 15/52.100
International Classes:
A47L5/34; A47L5/22