Dual brush vacuum cleaner

Details Dual brush vacuum cleaner Dual brush vacuum cleaner

1993-12-13

1995-05-23

McInroy, Ruth

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

Surface treatment, e.g., floor, street, etc.

Patent

active

D03586316

REFERENCES:
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patent: 4850077 (1989-07-01), Venturini
patent: 5077863 (1992-01-01), Rench
patent: 5203047 (1993-04-01), Lynn

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