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Patent
   D423900
Priority
Apr 14 1999
Filed
Apr 14 1999
Issued
May 02 2000
Expiry
May 02 2014
Inventors
Hung, Kun-…
Assg.orig
SOPA INT L…
Assg.curr
SOPA INT L…
Entity
unknown
Referenced by
5
References
7
Maint.:
n/a
The ornamental design for a screwdriver, as shown and described.

FIG. 1 is a perspective view of a screwdriver showing my invention;

FIG. 2 is a front elevational view thereof; wherein the rear, the right side, and the left side views are identical thereto;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.
INVENTORS:

Hung, Kun-Chin

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D462003, Mar 12 2001 Kapman AB Tool handle
D493345, Apr 28 2003 Convex-lens lighted tool driver
D557099, Dec 08 2006 Screwdriver
D569210, Sep 13 2006 Screwdriver
D933215, Feb 07 2019 Aesculap AG Surgical chisel
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
D312563, Oct 23 1989 Alltrade Tools, LLC Screwdriver
D358316, Oct 13 1993 Screwdriver
D363012, Feb 16 1994 Illuminated screwdriver
D376305, Jan 18 1995 DORCY INTERNATIONAL, INC Screwdriver
D404277, Dec 18 1997 Tool handle
D405335, Feb 18 1998 Screw driver
D412096, Sep 19 1996 Screwdriver handle
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 08 1999HUNG, KUN-CHIHSOPA INT L CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0101370146 pdf
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