Washing – cleaning – or drying machine – Laundering – cleaning – or drying tools or implements – Scraper – duster – mop – or sponge
Patent
1986-11-12
1988-08-02
Kemper, Catherine E.
Washing, cleaning, or drying machine
Laundering, cleaning, or drying tools or implements
Scraper, duster, mop, or sponge
D 7137, D 7151
Patent
active
D02970627
REFERENCES:
patent: D166880 (1952-05-01), Ruppe
patent: 1480053 (1924-01-01), Ericsson
Kemper Catherine E.
Schafrann Jonathan B.
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