Inventor

RUSSELL JACK

US2 patents

⚠️ This page may combine multiple inventors who share the name “RUSSELL JACK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHAPE CORP

1 patent

US6648384B2Nov 18, 2003

Bumper crush tower with rings of varied strength

SHAPE CORP42 citations90

RUSSELL JACK

1 patent

US4888541ADec 19, 1989

Method and apparatus for controlling stepmotor mechanical drives

RUSSELL JACK10 citations62