Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1992-01-16

1994-02-08

McInroy, Ruth

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

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

Patent

active

D03441652

REFERENCES:
patent: D175857 (1955-10-01), Ryden
patent: D285734 (1986-09-01), Haniguchi et al.
patent: D297475 (1988-08-01), Umehara
patent: D297675 (1988-09-01), Umehara et al.
patent: D315431 (1991-03-01), Ikeda et al.
patent: D325273 (1992-04-01), Ikeda et al.
patent: D325274 (1992-04-01), Ikeda
Popular Science, Nov. 1991, p. 13 "Sharp's EC-EX1 vac. cleaner".

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