Sponge

Details Sponge Sponge

1992-06-15

1994-08-16

Burke, Wallace R.

Washing, cleaning, or drying machine

Laundering, cleaning, or drying tools or implements

Scraper, duster, mop, or sponge

D28 63

Patent

active

D03497941

REFERENCES:
patent: 1660729 (1928-02-01), Strock
patent: 1823797 (1931-09-01), Finkel
patent: 1981851 (1934-11-01), Aten
patent: 3998012 (1976-12-01), Ness

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