Double-headed wrench

Details Double-headed wrench Double-headed wrench

2005-08-02

2005-08-02

Barkai, Raphael (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0507945

CLAIM:
The ornamental design for a double-headed wrench, (the article which embodies the design or to which it is applied) as shown and described.

REFERENCES:
patent: 798325 (1905-08-01), Daddysman, Jr.
patent: 1310641 (1919-07-01), Welch
patent: 2886998 (1959-05-01), Scott
patent: D192653 (1962-04-01), Madeira
patent: 5031981 (1991-07-01), Peterson
patent: D338379 (1993-08-01), DePalo
patent: D347370 (1994-05-01), Runevitch
patent: D473435 (2003-04-01), Stahl
Snap-on Catalog, p. 122, 1994.

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