Washing – cleaning – or drying machine – Laundering – cleaning – or drying tools or implements – Scraper – duster – mop – or sponge
Patent
1984-05-03
1986-12-09
Kemper, Catherine E.
Washing, cleaning, or drying machine
Laundering, cleaning, or drying tools or implements
Scraper, duster, mop, or sponge
D32 45, D32 50, D32 52
Patent
active
D02871734
REFERENCES:
patent: 916755 (1909-03-01), Moseke
patent: 1616767 (1927-02-01), Stevens
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patent: 2187670 (1940-01-01), Suddarth
patent: 2205535 (1940-06-01), Muckenhirn
patent: 2653338 (1953-09-01), Johnson
patent: 2902703 (1959-09-01), Schulman
patent: 3395415 (1968-08-01), Leland
patent: 3395418 (1968-08-01), Malmo
patent: 3629894 (1971-12-01), Stefany
Kemper Catherine E.
Libman Broom Company
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