CENTRIFUGAL WATER-ACTION ROLLER CLEANER
United States Patent 3472251
Inventors:
Parker Jr., Bruce H.
Publication Date:
10/14/1969
Assignee:
Parker, Bruce Jun H.
Other Classes:
134/900, 134/200, 134/144
International Classes:
B44D3/00; B08B3/00; B08B3/04