IP Library › Granted Patent US 6,705,338
Granted Patent Utility
US 6,705,338 · App. 10/105,903

Collapsible structures

Inventor: Yu Zheng
Patented Case View Patent ↗
Granted: Mar 16, 2004 Filed: Mar 25, 2002
Inventor
Yu Zheng
Assignee (at issue)
Patent Category Corp.

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Quick Facts
Patent No.
US 6,705,338
App. No.
10/105,903
Filed
2002-03-25
Granted
2004-03-16
Kind
B2