Cleaning device
United States Patent 3343199
US Patent References:
Machine and process for separating liquid from sludge
- - 2533395
Vacuum cleaning machine
- - 2643732
Vacuum cleaning device
- - 2731103
Machine and process for separating liquid from sludge
- - 2533395
Vacuum cleaning machine
- - 2643732
Vacuum cleaning device
- - 2731103
Inventors:
Nolte, Louis C.
Publication Date:
09/26/1967
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Export Citation:
Assignee:
Nolte, Louis C.
Primary Class:
Other Classes:
15/330, 55/417, 55/414, 15/353, 55/434, 55/361, 15/352, 15/328, 15/321, 141/26, 55/431, 55/472
International Classes:
A47L7/00; A47L11/30; A47L11/29
Foreign References:
| CH349043A |