Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Patent
1982-09-07
1984-04-24
Kemper, Catherine E.
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Surface treatment, e.g., floor, street, etc.
Patent
active
D02736217
REFERENCES:
patent: D202170 (1965-09-01), Little et al.
patent: D206576 (1967-01-01), Knapp et al.
patent: D255356 (1980-06-01), Block
patent: D263475 (1982-03-01), Block
patent: 4210978 (1980-07-01), Johnson et al.
patent: 4348783 (1982-09-01), Swanson et al.
Carlson Alfred D.
Haub Donald J.
Kemper Catherine E.
Tennant Company
Wilder Lynn
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