Key switch

Details Key switch Key switch

2007-06-26

2007-06-26

Siegel, Mitchell (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

29213119

CLAIM:
The ornamental design for a key switch, as shown.

REFERENCES:
patent: 5737948 (1998-04-01), Lefkovits
patent: D395221 (1998-06-01), Ryan et al.
patent: D447043 (2001-08-01), Wyers
patent: D461392 (2002-08-01), Zapushek

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