Inventor
WOLTRON HERBERT
DE9 patents
⚠️ This page may combine multiple inventors who share the name “WOLTRON HERBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ISOSPORT VERBUNDBAUTEILE
6 patentsUS4688778AAug 25, 1987
Plastic leaf spring
ISOSPORT VERBUNDBAUTEILE44 citations94
US4659071AApr 21, 1987
Process for producing a plastic leaf spring, as well as a plastic leaf spring appropriately manufactured according to this process
ISOSPORT VERBUNDBAUTEILE58 citations94
US4747898AMay 31, 1988
Method of making a plastic leaf spring
ISOSPORT VERBUNDBAUTEILE30 citations91
US4696459ASep 29, 1987
Plastic leaf spring with at least one spring-eye body or spring-eye section
ISOSPORT VERBUNDBAUTEILE24 citations81
US4568415AFeb 4, 1986
Method of producing strings for ball rackets, particularly for tennis rackets, and a string produced by this method
ISOSPORT VERBUNDBAUTEILE13 citations72
US4835036AMay 30, 1989
Method for manufacturing a string in a form ready for a racket, a string manufactured by said method, and method for supply to stringing rackets with said string
ISOSPORT VERBUNDBAUTEILE4 citations60