Sponge

Details Sponge Sponge

1990-07-05

1994-10-18

Burke, Wallace R.

Washing, cleaning, or drying machine

Laundering, cleaning, or drying tools or implements

Scraper, duster, mop, or sponge

D28 63

Patent

active

D03516962

REFERENCES:
patent: 274566 (1883-03-01), Croft
patent: 2133805 (1938-10-01), Brown
patent: 2964772 (1960-12-01), Crawford
patent: 3117334 (1964-01-01), Imhof
patent: 3570036 (1971-03-01), Gilchrist et al.
patent: 3613146 (1971-10-01), Oviatt
patent: 5003659 (1991-04-01), Paepke

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