RA

Ray Armstrong

Delphi Technologies: 3 patents #82 of 1,072Top 8%
📍 Bay City, MI: #5 of 38 inventorsTop 15%
🗺 Michigan: #371 of 6,370 inventorsTop 6%
Overall (2003): #23,439 of 273,478Top 9%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6659504 Steering column for a vehicle Richard K. Riefe, Marvin V. Manwaring, Ravindra Jwalapathy, Stephen W. Skillman 2003-12-09
6598393 Anti-theft steering lock Richard K. Riefe 2003-07-29
6557434 Steering column tilt assembly James Anthony Smazenka, Richard K. Riefe 2003-05-06