Brushware – Powered – Rotary brush
Patent
1994-05-19
1999-01-12
Douglas, Alan P.
Brushware
Powered
Rotary brush
D4101, D4109, 0402
Patent
active
D04038649
REFERENCES:
patent: D251441 (1979-03-01), Ueda et al.
patent: 2993220 (1961-07-01), Nix et al.
patent: 3028614 (1962-04-01), Bristow
patent: 4335480 (1982-06-01), Liu
patent: 4397055 (1983-08-01), Cuchiara
patent: 4827552 (1989-05-01), Bojar et al.
patent: 4882801 (1989-11-01), Benz
patent: 4989287 (1991-02-01), Scherer
patent: 5035020 (1991-07-01), Winiewski
Brochure distributed by American Inventors Corporation approximately during May 1993.
Holland Earl R.
Holland Richard A.
Douglas Alan P.
Tabor Lavone D.
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