Knife sharpener

Details Knife sharpener Knife sharpener

1995-05-15

1996-07-30

Hyder, Philip S.

Tools and hardware

Other tools and implements

Abrading

D8 91

Patent

active

D03721825

REFERENCES:
patent: D169530 (1953-05-01), Case
patent: D170534 (1953-10-01), Johnson et al.
patent: D176996 (1956-02-01), Seibert, Jr.
patent: D295716 (1988-05-01), Shohoji et al.
patent: D322741 (1991-12-01), Jenne
patent: D329797 (1992-09-01), Baker
patent: D348598 (1994-07-01), Friel, Jr. et al.

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