DS

Dennis S. Shimmell, Sr.

HP Hadley Products: 1 patents #12 of 16Top 75%
📍 Hudsonville, MI: #100 of 300 inventorsTop 35%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,630,316 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D433989 Marine utility rack 2000-11-21
6125783 Marine vessel flush mount system Dennis S. Shimmell 2000-10-03
5560591 Leveling valve for air springs Curtis A. Trudeau, Gary L. Schafer, Dick E. Winter, Sean Seaver 1996-10-01