Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Patent
1988-02-29
1991-05-07
Zarfas, Louis S.
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Surface treatment, e.g., floor, street, etc.
Patent
active
D03167658
REFERENCES:
patent: 1542262 (1922-09-01), Morton, Jr.
patent: 4196492 (1980-04-01), Johnson et al.
patent: 4200951 (1980-05-01), Burgoon et al.
patent: 4759094 (1988-07-01), Palmer et al.
Allen Paula
Castex Industries, Inc.
Zarfas Louis S,.
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