Inventor
OPPMANN EWALD A
US4 patents
Patents
4 patentsUS6523239B2Feb 25, 2003
Die for assembling metal spool having high torque transmitting capacity between spool components
CLARK J L INC11 citations70
US6289570B1Sep 18, 2001
Die and method for assembling metal spool having high torque transmitting capacity between spool components
CLARK J L INC12 citations70
US6419184B1Jul 16, 2002
Wooden spool held together with novel tie rod assembly and method of assembling the same between a pair of dies
CLARK J L INC8 citations68
US6267324B1Jul 31, 2001
Metal spool having high torque transmitting capacity between spool components
CLARK J L INC0 citations38