Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Sewer or pipe cleaner
Patent
1990-02-13
1994-05-31
Word, A. Hugo
Washing, cleaning, or drying machine
Washing, cleaning, or drying machine
Sewer or pipe cleaner
Patent
active
D03474984
REFERENCES:
patent: D303855 (1989-10-01), Moss
patent: D315621 (1991-03-01), Layman et al.
patent: 1787112 (1930-12-01), King
patent: 1803425 (1931-05-01), Cunningham
patent: 2057842 (1936-10-01), Nielsen
patent: 2461517 (1949-02-01), Carnevale
patent: 2568347 (1951-09-01), Zundelius
patent: 4206313 (1980-06-01), Cavoretto
patent: 4257139 (1981-03-01), Yeo
patent: 4771500 (1988-09-01), Kovacs
patent: 4974280 (1990-12-01), Ward
Litman Richard C.
McInroy Ruth
Word A. Hugo
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