Household sponge

Details Household sponge Household sponge

1985-01-16

1987-08-04

Kemper, Catherine E.

Washing, cleaning, or drying machine

Laundering, cleaning, or drying tools or implements

Scraper, duster, mop, or sponge

D32 42

Patent

active

D02912589

REFERENCES:
patent: 2835911 (1958-05-01), Mahmarian
patent: 2904814 (1959-09-01), Scholl
patent: 3038187 (1962-06-01), Nathanson
patent: 3857133 (1974-12-01), Linenfelser

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