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Patent applications and USPTO patent grants for Lehnert; Otto.The latest application filed is for "method of manufacturing spring hinges".
Patent | Date |
---|---|
Method of manufacturing spring hinges Grant 5,822,840 - Mossner , et al. October 20, 1 | 1998-10-20 |
Spring hinges Grant 5,755,010 - Lehnert May 26, 1 | 1998-05-26 |
Spring hinge for eyewear Grant 5,657,107 - Wagner , et al. August 12, 1 | 1997-08-12 |
Spring hinge Grant 5,533,233 - Wagner , et al. July 9, 1 | 1996-07-09 |
Locking screw Grant 5,387,102 - Wagner , et al. February 7, 1 | 1995-02-07 |
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