Inventor

RAIDER JERRY W

3 patents

Patents

3 patents

US4422040ADec 20, 1983

Method of testing stepping motors

IBM53 citations93

US4247210AJan 27, 1981

Ribbon feed and lift mechanism for a typewriter

IBM40 citations88

US4319174AMar 9, 1982

Stepper motor drive system

IBM11 citations71