Sweeper

Details Sweeper Sweeper

1986-07-01

1987-05-19

Burke, Wallace R.

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

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

Patent

active

D02899337

REFERENCES:
patent: D193384 (1962-08-01), Regan
patent: D197698 (1964-03-01), Kelley
patent: D249692 (1978-09-01), Bothun
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patent: 2960714 (1960-11-01), Senne
patent: 3201819 (1961-11-01), Wilgus
patent: 3570040 (1969-03-01), Wada
patent: 3643276 (1972-02-01), Worwag
patent: 3750215 (1973-08-01), Liebscher
patent: 3978539 (1976-09-01), Yonkers
patent: 3978539 (1976-09-01), Yonkers
patent: 4071920 (1978-02-01), Block
patent: 4107809 (1978-08-01), Schuelein
patent: 4170803 (1979-10-01), Saito
patent: 4177533 (1979-12-01), Liebscher et al.
patent: 4366593 (1983-01-01), Parikh
Sunbeam Gas/Electric Lawn Mowers, (Flyer), VG 19, .COPYRGT.1974, cover page.

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