Pipe wrench

Details Pipe wrench Pipe wrench

2003-10-03

2004-08-10

Barkai, Raphael (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0494030

CLAIM:
I claim the ornamental design for a pipe wrench, as shown and described.

REFERENCES:
patent: 549221 (1895-11-01), Wenger
patent: 2748641 (1956-06-01), Calello
patent: 3015246 (1962-01-01), Buyer
patent: 3188894 (1965-06-01), Matsuoka
patent: 3280670 (1966-10-01), Woodling
patent: D436813 (2001-01-01), Kobayashi et al.
patent: D483238 (2003-12-01), Hsieh

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