Knife sharpener

Details Knife sharpener Knife sharpener

1994-07-01

1996-07-30

Hyder, Philip S.

Tools and hardware

Other tools and implements

Abrading

Patent

active

D03721817

REFERENCES:
patent: D145803 (1946-10-01), Jones
patent: D173204 (1954-10-01), Hussar
patent: D183530 (1958-09-01), Lamb
patent: D276886 (1984-12-01), Carter
patent: D299308 (1989-01-01), Prindle
patent: D309415 (1990-07-01), Shimizu
patent: D315663 (1991-03-01), Dolbosco
patent: D323450 (1992-01-01), Shimizu
patent: D331688 (1992-12-01), Busse
patent: D341534 (1993-11-01), Janikowski
patent: 4502254 (1985-03-01), Carter

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