Sharpener

Details Sharpener Sharpener

1998-01-09

1999-05-18

Hyder, Philip S.

Tools and hardware

Other tools and implements

Abrading

D8 63, D8 91, 0805

Patent

active

D04098919

REFERENCES:
patent: D269940 (1983-08-01), Hirosawa
patent: D280286 (1985-08-01), Van Asten
patent: D284736 (1986-07-01), Kawai et al.
patent: D303209 (1989-09-01), Friel
patent: D326986 (1992-06-01), Dressel et al.
patent: D327833 (1992-07-01), Micoley
patent: D328410 (1992-08-01), Friel
patent: D363867 (1995-11-01), Harrison et al.

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