DR

Donald R. Rigsby

BI Benteler Industries: 1 patents #3 of 7Top 45%
📍 Jenison, MI: #4 of 13 inventorsTop 35%
🗺 Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #140,635 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5363544 Multi-stage dual wall hydroforming Gary L. Wells, James R. Dehlinger 1994-11-15