Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1987-09-04

1990-07-10

Word, A. Hugo

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

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

Patent

active

D03092038

REFERENCES:
patent: D287894 (1987-01-01), Watkins et al.
patent: 1759947 (1930-05-01), Lee
patent: 1887600 (1932-11-01), Replogle
patent: 2824335 (1958-02-01), Moffat
patent: 3040362 (1962-06-01), Krammes
patent: 3634905 (1972-01-01), Boyd
patent: 3797064 (1974-03-01), MacFarland
patent: 3959844 (1976-06-01), Cyphert
patent: 4559665 (1985-12-01), Fitzwater
patent: 4571772 (1986-02-01), Dyson
patent: 4686735 (1987-08-01), Soeffker et al.
patent: 4709942 (1987-12-01), Sletten, II
Allan Winn, "Ideas from Prototypes", Technology: Aug. 25, 1983, p. 36.
Deborah Vajda Goertz, "One Fell Sweep", Design: Mar. 1984, p. 104.

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