Inventor

HARNACK DONALD W

US3 patents

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

GEN MOTORS CORP

2 patents

US6755078B2Jun 29, 2004

Methods and apparatus for estimating the temperature of an exhaust gas recirculation valve coil

GEN MOTORS CORP28 citations90

US5213178AMay 25, 1993

Traction control system with fuel and spark control

GEN MOTORS CORP47 citations88

HARNACK DONALD W

1 patent

US8056538B2Nov 15, 2011

Method and system to prevent unauthorized uses of engine controllers

HARNACK DONALD W7 citations68