DH

David W. Heatherington

SH Shape: 2 patents #2 of 13Top 20%
📍 Iron River, MI: #3 of 32 inventorsTop 10%
🗺 Michigan: #677 of 6,370 inventorsTop 15%
Overall (2003): #71,254 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6648384 Bumper crush tower with rings of varied strength Rainer B. Nees, Scott Glasgow, Jack Russell 2003-11-18
6622450 Roll-formed and stamped doorbeam Rainer B. Nees, Melvin J. Guiles 2003-09-23