Screwdriver

Details Screwdriver Screwdriver

2007-12-11

2007-12-11

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

29250998

CLAIM:
The ornamental design for the screwdriver, as shown and described.

REFERENCES:
patent: D404277 (1999-01-01), Shiao
patent: D412096 (1999-07-01), Kung et al.
patent: D421887 (2000-03-01), Hung
patent: D423900 (2000-05-01), Hung
patent: D425387 (2000-05-01), Shiao
patent: D430784 (2000-09-01), Shiao
patent: D438083 (2001-02-01), Shiao
patent: D449505 (2001-10-01), Glass et al.
patent: D454766 (2002-03-01), Lin
patent: D536234 (2007-02-01), Lin

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