Sharpener

Details Sharpener Sharpener

2006-01-24

2006-01-24

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

D0513693

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

REFERENCES:
patent: D217084 (1970-04-01), Martin
patent: 4418588 (1983-12-01), Byers
patent: 4731957 (1988-03-01), Weisinger
patent: 5163251 (1992-11-01), Lee
patent: 5291805 (1994-03-01), Byers et al.
patent: 5400679 (1995-03-01), Hawker
patent: D365740 (1996-01-01), Smith
patent: D375241 (1996-11-01), Pigott
patent: D475599 (2003-06-01), Liu

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