IP Library › Granted Patent US 5,771,539
Granted Patent Utility
US 5,771,539 · App. 08/714,939

Torsion friction spring hinge

Inventors: David Wahlstedt, Xiangmin Zhou
Patented Case View Patent ↗
Granted: Jun 30, 1998 Filed: Sep 17, 1996
Inventors
David Wahlstedt
Xiangmin Zhou
Assignee (at issue)
Reell Precision Manufacturing Corporation

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Quick Facts
Patent No.
US 5,771,539
App. No.
08/714,939
Filed
1996-09-17
Granted
1998-06-30
Kind
A