Screw

Details Screw Screw

2007-10-16

2007-10-16

Baynham, Holly H. (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

29255020

CLAIM:
The ornamental design for screw, as shown.

REFERENCES:
patent: 3882756 (1975-05-01), Sauer et al.
patent: 4958972 (1990-09-01), Shinjo
patent: 5499896 (1996-03-01), Cafarelli
patent: 5551818 (1996-09-01), Koppel
patent: D418048 (1999-12-01), Chan
patent: D473126 (2003-04-01), Fergusson
patent: D482957 (2003-12-01), Lajeunesse et al.
patent: 7025551 (2006-04-01), Haytayan
patent: 7090452 (2006-08-01), Chen

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