DH

David F. Hammerbacher

General Motors: 2 patents #6,250 of 18,328Top 35%
Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
SH Steering Solutions Ip Holding: 1 patents #316 of 568Top 60%
📍 Saginaw, MI: #149 of 671 inventorsTop 25%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,149,326 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11511786 Rattle noise reducing electric power steering column assembly and method John M. Andres 2022-11-29
6497557 Sliding vane pump David R. Aden, Thomas C. Rytlewski, Jerrod M. Etienne, Bruce Tucker, Roy Heath 2002-12-24
5802848 Hydraulic system for motor vehicle Kevin M. McClendon, James L. Davison, Robert E. Beyerlein, Tom Cheuk-In Wong, Allan L. Dickinson +3 more 1998-09-08
5495711 Tuner hose assembly for power steering system Jesse Kalkman, Roy Heath 1996-03-05