Donald R. VandePolder

BA Benteler Automotive: 1 patents #1 of 5Top 20%

📍 Grand Rapids, MI: #20 of 78 inventorsTop 30%

🗺 Michigan: #1,023 of 4,492 inventorsTop 25%

Overall (1997): #157,415 of 185,788Top 85%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5673470	Extended jacket end, double expansion hydroforming	James R. Dehlinger, Roger A. Crawford, Wallace J. Poole, Robert A. Shaffer	1997-10-07