Ratchet wrench

Details Ratchet wrench Ratchet wrench

2003-12-03

2004-11-02

Barkai, Raphael (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0497785

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

REFERENCES:
patent: 4346630 (1982-08-01), Hanson
patent: 5231901 (1993-08-01), Putney et al.
patent: D380131 (1997-06-01), Sung
patent: D380949 (1997-07-01), Sung
patent: D387960 (1997-12-01), Sung
patent: D389025 (1998-01-01), Sung
patent: 6189419 (2001-02-01), Pijanowski

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