RC

Roger A. Crawford

BA Benteler Automotive: 2 patents #9 of 34Top 30%
📍 Muskegon, MI: #119 of 391 inventorsTop 35%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,265,856 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5836065 Extended jacket end, double expansion hydroforming James R. Dehlinger, Wallace J. Poole, Robert A. Shaffer, Donald R. VandePolder 1998-11-17
5673470 Extended jacket end, double expansion hydroforming James R. Dehlinger, Wallace J. Poole, Robert A. Shaffer, Donald R. VandePolder 1997-10-07