Screwdriver

Details Screwdriver Screwdriver

2006-08-29

2006-08-29

Nelson, T. Chase (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0527236

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

REFERENCES:
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patent: D154713 (1949-08-01), Robillard
patent: 4448098 (1984-05-01), Totsu
patent: D462593 (2002-09-01), Nottingham et al.
patent: D467150 (2002-12-01), Frederick
patent: D475909 (2003-06-01), Waldron
patent: D485737 (2004-01-01), Schaub et al.
patent: D486713 (2004-02-01), Lai
patent: D502854 (2005-03-01), Ng
patent: D509119 (2005-09-01), Schiller et al.
patent: D513160 (2005-12-01), DeBoer et al.
patent: D516889 (2006-03-01), Aglassinger
patent: 2004/0188119 (2004-09-01), Chen
patent: 3000194 (2001-12-01), None

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