Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Patent
1983-11-23
1987-01-06
Burke, Wallace R.
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Surface treatment, e.g., floor, street, etc.
Patent
active
D02876566
REFERENCES:
patent: 242482 (1976-11-01), Fyffe
patent: 4194262 (1980-03-01), Finley et al.
patent: 4202070 (1980-05-01), Harfst
Auto Laundry News, vol. 28, Sep. 1979, p. 60, Ryko vac.
Auto Laundry News, vol. 28, Nov. 1979, p. 19, Berk's Dome vacuum cleaners.
Ludwig H. Gene
Waldrep Don L.
Bradley James E.
Burke Wallace R.
Takemoto Ruth E.
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