Washing – cleaning – or drying machine – Laundering – cleaning – or drying tools or implements – Scraper – duster – mop – or sponge
Patent
1993-12-23
1995-09-05
Nunn, Freda S.
Washing, cleaning, or drying machine
Laundering, cleaning, or drying tools or implements
Scraper, duster, mop, or sponge
Patent
active
D03620921
REFERENCES:
patent: 1534827 (1925-04-01), Aste
patent: 2147561 (1939-02-01), Sherlock
patent: 4976562 (1990-12-01), Spivey et al.
patent: 5071276 (1991-12-01), Nielsen et al.
patent: 5163767 (1992-11-01), Lucas
patent: 5358349 (1994-10-01), Burroughs et al.
Cameron Norman M.
Nunn Freda S.
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