Knife sharpener

Details Knife sharpener Knife sharpener

1991-09-16

1993-11-23

Ansher, Bernard

Tools and hardware

Other tools and implements

Abrading

Patent

active

D03415341

REFERENCES:
patent: D183530 (1958-09-01), Lamb
patent: D184423 (1959-02-01), Curley, Sr.
patent: D274497 (1984-07-01), Zabel et al.
patent: D276886 (1984-12-01), Carter
patent: D280695 (1985-09-01), Krueger
patent: D315663 (1991-03-01), Dolbosco
patent: 918689 (1909-04-01), Michaelson
patent: 1919772 (1933-07-01), Carpenter
patent: 2432231 (1947-12-01), Elphee
patent: 2448629 (1948-09-01), Schmidt
patent: 2885836 (1959-05-01), Robitaille
patent: 4550632 (1985-11-01), Inman
patent: 4672777 (1987-06-01), Dunkin

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