Screw

Details Screw Screw

2007-11-15

2008-12-02

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

D0581776

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

REFERENCES:
patent: D416475 (1999-11-01), DePrisco
patent: D469007 (2003-01-01), Chen et al.
patent: D531491 (2006-11-01), Liu
patent: D557130 (2007-12-01), Kashikura et al.
patent: D557131 (2007-12-01), Liu
patent: D567644 (2008-04-01), Liu

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