Knife sharpener

Details Knife sharpener Knife sharpener

2007-09-25

2007-09-25

Hyder, Philip S. (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

29256008

CLAIM:
The ornamental design for a knife sharpener, as shown and described.

REFERENCES:
patent: 4599919 (1986-07-01), Fortenberry
patent: 5291805 (1994-03-01), Byers et al.
patent: D365740 (1996-01-01), Smith
patent: D367598 (1996-03-01), Fortenberry
patent: D369081 (1996-04-01), Byers et al.
patent: D387262 (1997-12-01), Byers et al.
patent: D394596 (1998-05-01), Byers et al.
patent: D453290 (2002-02-01), Huang
patent: D475599 (2003-06-01), Liu
patent: D487691 (2004-03-01), Huang
Smokey Mountain Knife Works websight, AccuSparp Knife and Tool Sharpener, Fortune Products, 1 page.

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