Blade sharpening device with aligning, blade-driven,...

Details Blade sharpening device with aligning, blade-driven,... Blade sharpening device with aligning, blade-driven,...

2001-08-20

2003-01-28

Hyder, Philip S. (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0469326

CLAIM:
The ornamental design for a blade sharpening device with aligning, blade-driven, sharpening rollers, as shown and described.

REFERENCES:
patent: D241504 (1976-09-01), Krusche
patent: D274497 (1984-07-01), Zabel et al.
patent: D280695 (1985-09-01), Krueger
patent: D317554 (1991-06-01), Young
patent: D320920 (1991-10-01), Madsen
patent: D335075 (1993-04-01), Martin
patent: D372181 (1996-07-01), Kelley
patent: 6039642 (2000-03-01), Collins

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