Inventor

ROLL THOMAS P

US2 patents

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

WARNER ELECTRIC BRAKE & CLUTCH

1 patent

US4567975AFeb 4, 1986

Apparatus and method for controlling the engagement of a gap-type electromagnetic coupling and for alleviating engagement noise

WARNER ELECTRIC BRAKE & CLUTCH58 citations89

DANA CORP

1 patent

US4891077AJan 2, 1990

Method of making an electromagnetic coupling disc

DANA CORP20 citations78