Inventor

CRONCH DARELL D

US4 patents

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

LEXMARK INT INC

2 patents

US7227652B2Jun 5, 2007

Switching power supply, method of operation and device-and-power-supply assembly

LEXMARK INT INC33 citations85

USD320978SOct 22, 1991

Word processor system unit

LEXMARK INT INC4 citations57

IBM

2 patents

US4706008ANov 10, 1987

Self-adjusting homing for a stepping motor

IBM19 citations78

US4789257ADec 6, 1988

Line find feature for an electronic typewriter

IBM5 citations59