Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Patent
1987-11-13
1992-02-04
Word, A. Hugo
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Surface treatment, e.g., floor, street, etc.
Patent
active
D03237257
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Hardware Age, vol. 220, Dec. 1983, p. 472.
Gierke Martin P.
Miner Jonathan L.
Straub Robert P.
Black & Decker Inc.
Coles Doris V.
Dearing Dennis A.
Del Ponti John D.
Word A. Hugo
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