Pneumatic grinder

Details Pneumatic grinder Pneumatic grinder

2001-06-20

2002-01-08

Coles, Doris V. (Department: 2913)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0452805

CLAIM:
The ornamental design for pneumatic grinder, as shown and described.

REFERENCES:
patent: D269588 (1983-07-01), Ludwig
patent: 4538483 (1985-09-01), Batten
patent: D289136 (1987-04-01), Doman
patent: D327830 (1992-07-01), Fisher
patent: D357849 (1995-05-01), Izumisawa
patent: D358314 (1995-05-01), Izumisawa
patent: D364544 (1995-11-01), Izumisawa
patent: D370163 (1996-05-01), Hurd
patent: D444365 (2000-07-01), Bass et al.
patent: D430995 (2000-09-01), Izumisawa
patent: D437760 (2001-02-01), Izumisawa
patent: D447033 (2001-08-01), Izumisawa

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