Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Patent
1993-05-19
1995-01-10
McInroy, Ruth
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Surface treatment, e.g., floor, street, etc.
Patent
active
D03543781
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McKnight Darwin T.
Wareham Richard A.
McInroy Ruth
The Hoover Company
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