Triangular screwdriver handle

Details Triangular screwdriver handle Triangular screwdriver handle

1997-02-18

1998-09-22

Hyder, Philip S.

Tools and hardware

Other tools and implements

Screwdriver type

D8107, 0804

Patent

active

D03985083

REFERENCES:
patent: D201171 (1965-05-01), Knudsen et al.
patent: D256547 (1980-08-01), Holland-Letz
patent: D261980 (1981-11-01), Fee et al.
patent: D270706 (1983-09-01), Cleminshaw
patent: D297501 (1988-09-01), Huxtable
patent: D312563 (1990-12-01), Hillinger
patent: D360344 (1995-07-01), Eggert et al.
patent: D375669 (1996-11-01), Shiao
patent: 4951533 (1990-08-01), Hillinger
Copies of photographs of TOPLUS three-sided tool handle.
Copies of photographs of four-sided tool handle with teardrop-shaped design on each side.
Copies of photographs of four-sided tool handle with ribs on each side.

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