Ball chair

Details Ball chair Ball chair

2007-02-13

2007-02-13

Snapp, Sandra S. (Department: 2915)

Design Patent

active

29251205

CLAIM:
The ornamental design for a ball chair, as shown.

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patent: 5690389 (1997-11-01), Ekman et al.
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patent: 6832817 (2004-12-01), Chiu
patent: D503553 (2005-04-01), Chiu
patent: D509548 (2005-09-01), Heitzman et al.
patent: 7044558 (2006-05-01), Chiu

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