Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1991-05-01

1992-04-07

Zarfas, Louis S.

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

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

Patent

active

D03252698

REFERENCES:
patent: D289213 (1987-04-01), Perkens
patent: D297475 (1988-08-01), Umehara et al.
patent: D297871 (1988-09-01), Slany et al.
patent: D301647 (1989-06-01), Burns et al.

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