Inventor
LEHNERT OTTO
DE5 patents
Patents
5 patentsUS5657107AAug 12, 1997
Spring hinge for eyewear
OBE WERK KG49 citations90
US5387102AFeb 7, 1995
Locking screw
OBE WERK KG24 citations90
US5755010AMay 26, 1998
Spring hinges
OBE WERK KG32 citations89
US5533233AJul 9, 1996
Spring hinge
OBE WERK KG14 citations71
US5822840AOct 20, 1998
Method of manufacturing spring hinges
OBE WERK KG14 citations65