Screwdriver

Details Screwdriver Screwdriver

1998-08-11

1999-09-14

Hyder, Philip S.

Tools and hardware

Other tools and implements

Screwdriver type

D8 83, 0804

Patent

active

D04137825

REFERENCES:
patent: D307235 (1990-04-01), Goudeman
patent: D326213 (1992-05-01), Freilich
patent: D327621 (1992-07-01), Heller
patent: D334128 (1993-03-01), Gomas
patent: D335074 (1993-04-01), Hahn
patent: D338385 (1993-08-01), Shu
patent: D347373 (1994-05-01), Tsai
patent: 376528 (1888-12-01), Krapowicz
patent: D379750 (1997-06-01), Thompson et al.
patent: D401831 (1998-12-01), Moody

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