Washing – cleaning – or drying machine – Laundering – cleaning – or drying tools or implements – Dust pan or crumb collector
Patent
1983-01-18
1985-09-03
Kemper, Catherine E.
Washing, cleaning, or drying machine
Laundering, cleaning, or drying tools or implements
Dust pan or crumb collector
Patent
active
D02804565
REFERENCES:
patent: 497401 (1893-05-01), Bates
patent: 587607 (1897-08-01), Ray
patent: 979784 (1910-12-01), Morris
patent: 2978731 (1961-04-01), Belluomini
patent: 3562840 (1971-02-01), Meszaros
patent: 3861730 (1975-01-01), Ringo
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