Rotary shaft nut of a welding mask

Details Rotary shaft nut of a welding mask Rotary shaft nut of a welding mask

2007-10-02

2007-10-02

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

29258192

CLAIM:
I claim, the ornamental design for a rotary shaft nut of a welding mask, as shown and described.

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