DE

Dennis C. Eckhardt

General Motors: 7 patents #2,246 of 18,328Top 15%
DE Delco Electronics: 1 patents #370 of 908Top 45%
Overall (All Time): #764,402 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5802949 Closed center power steering gear Alan Davis, Randy Scott Miller 1998-09-08
5491632 Rotary encoder with neutral position Andrzej M. Pawlak, William C. Lin, David W. Graber, Scott E. Weiss, Maged Radamis +2 more 1996-02-13
5184297 Method of calibrating power steering for uniform vehicle-to-vehicle steering effort David W. Graber, Andrzej M. Pawlak, Bryan L. Faist 1993-02-02
5119898 Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system David W. Graber, Andrzej M. Pawlak, Bryan L. Faist 1992-06-09
5086862 Apparatus for stabilizing power steering for temperature effects David W. Graber, Andrzej M. Pawlak 1992-02-11
4711224 Check valve in auxiliary vacuum system 1987-12-08
4217811 Lash compensator for power steering gear Donald L. Dzioba 1980-08-19