Toilet brush

Details Toilet brush Toilet brush

1990-01-22

1991-08-13

Burke, Wallace R.

Brushware

Simulative

D 4131

Patent

active

D03189554

REFERENCES:
patent: D98940 (1936-03-01), Hertzberg
patent: D173852 (1955-01-01), Pope
patent: D268968 (1983-05-01), Sami
patent: D300959 (1989-05-01), Gray
patent: 2569067 (1951-09-01), Livshin
patent: 2603810 (1952-07-01), Duhme
patent: 2813291 (1957-11-01), Wark
patent: 2880436 (1959-04-01), Hayden
patent: 3711889 (1973-01-01), Jennings
patent: 3720976 (1973-03-01), Bailey
patent: 3885249 (1975-05-01), DeBrabander
patent: 4051572 (1977-10-01), Greenwood
patent: 4067325 (1978-01-01), Olask
patent: 4091805 (1978-05-01), Clark
patent: 4134173 (1979-01-01), Cupp et al.
patent: 4825499 (1989-05-01), Baptiste
patent: 4843652 (1989-07-01), Kuwahara

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