Knife grinder

Details Knife grinder Knife grinder

2008-05-27

2008-05-27

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

D0569703

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

REFERENCES:
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: D375241 (1996-11-01), Pigott
patent: 5673599 (1997-10-01), Byers et al.
patent: 5679068 (1997-10-01), Byers et al.
patent: D387262 (1997-12-01), Byers et al.
patent: D394596 (1998-05-01), Byers et al.
patent: D475599 (2003-06-01), Liu
patent: D525509 (2006-07-01), Weschenfelder

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