Ratchet

Details Ratchet Ratchet

2002-09-24

2004-05-04

Barkai, Raphael (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0489233

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

REFERENCES:
patent: 4602534 (1986-07-01), Moetteli
patent: D340628 (1993-10-01), Chow
patent: D397597 (1998-09-01), Davidson et al.
patent: D423891 (2000-05-01), Melvin et al.
patent: D439480 (2001-03-01), Hsu

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