Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.
Patent
1990-12-13
1992-04-21
Word, A. Hugo
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Surface treatment, e.g., floor, street, etc.
D21157
Patent
active
D03256561
REFERENCES:
patent: D243108 (1977-01-01), Yeung
patent: D308084 (1990-05-01), Smith et al.
patent: D318154 (1991-07-01), Wen
patent: 4768532 (1988-09-01), Johnson
McInroy Ruth
Word A. Hugo
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