Ratchet wrench

Details Ratchet wrench Ratchet wrench

2008-02-08

2008-08-26

Barkai, Raphael (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0575602

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

REFERENCES:
patent: 37395 (1863-01-01), Getty
patent: 1634906 (1927-07-01), Kienzle
patent: D138173 (1944-06-01), Mathews
patent: D143898 (1946-02-01), Brintnall
patent: 2645145 (1953-07-01), Larson
patent: 2655064 (1953-10-01), Simon et al.
patent: 3091106 (1975-08-01), Causey
patent: 4276790 (1981-07-01), Davis
patent: 4967612 (1990-11-01), Sparling
patent: 5018412 (1991-05-01), Wylie, III

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