Screw driver with a cross-head end tip for locking insertion...

Details Screw driver with a cross-head end tip for locking insertion... Screw driver with a cross-head end tip for locking insertion...

2001-03-02

2002-04-23

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

D0455943

CLAIM:
The ornamental design for a screw driver with a cross-head end tip for locking insertion into a screw head, as shown and described.

REFERENCES:
patent: 3831648 (1974-08-01), Hill et al.
patent: D311483 (1990-10-01), Espin
patent: 5309798 (1994-05-01), Markwart et al.
patent: 5868047 (1999-02-01), Faust et al.
patent: 5953969 (1999-09-01), Rosehan
patent: D431768 (2000-10-01), Feik
patent: 6164171 (2000-12-01), Kaneko et al.
patent: 6193242 (2001-02-01), Robinson
patent: 6223634 (2001-05-01), Hughes et al.

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