Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent
2006-12-12
2006-12-12
Nelson, T. Chase (Department: 2915)
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
Design Patent
active
D0533421
CLAIM:
The ornamental design for a screwdriver drill, as shown and described.
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Nelson T. Chase
Striker Michael J.
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