Ratchet wrench

Details Ratchet wrench Ratchet wrench

2003-02-21

2004-07-27

Barkai, Raphael (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0493341

CLAIM:
The ornamental design for ratchet wrench, as shown and described.

REFERENCES:
patent: D132891 (1942-06-01), Chapman
patent: 2808749 (1957-10-01), Lampke
patent: 3145594 (1964-08-01), Peters
patent: D336225 (1993-06-01), Lin
patent: D340628 (1993-10-01), Chow
patent: D439480 (2001-03-01), Hsu
patent: D471774 (2003-03-01), Hu
patent: D481290 (2003-10-01), Thompson et al.

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