Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent
2000-02-15
2001-01-30
Douglas, Alan P. (Department: 2911)
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
Design Patent
active
D0436815
CLAIM:
The ornamental design for a pivotal coupling for a shear device, as shown and described.
REFERENCES:
patent: 1914025 (1933-06-01), Keith
patent: 2020242 (1935-11-01), Geddes
patent: 4910870 (1990-03-01), Chang
patent: 5898998 (1999-05-01), Deville
Baxley Charles E.
Douglas Alan P.
Hecker Reid
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