Knife sharpener

Details Knife sharpener Knife sharpener

1988-06-06

1991-06-18

Dunkins, Bruce W.

Tools and hardware

Other tools and implements

Abrading

Patent

active

D03175545

REFERENCES:
patent: 56227 (1920-08-01), Curley
patent: D116705 (1939-09-01), Conway et al.
patent: D119645 (1940-03-01), Smoleroff
patent: D146921 (1947-06-01), Lambert
patent: D303209 (1989-09-01), Friel
patent: D304288 (1989-10-01), Young
patent: 1907870 (1933-05-01), Reader
patent: 2010141 (1935-08-01), Cronan
patent: 2018985 (1935-10-01), Walsh
patent: 2473702 (1949-06-01), Carlin
patent: 2743561 (1956-05-01), Franks
patent: 3882642 (1975-05-01), Sykes

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