DW

David L. Wichern

📍 Chesterfield, MO: #1,541 of 6,461 inventorsTop 25%
🗺 Missouri: #5,256 of 23,789 inventorsTop 25%
Overall (All Time): #1,177,774 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D846455 Contoured washer with spring biased spoke for wheel suspension system 2019-04-23
8863794 Internal wheel suspension system with shock absorption 2014-10-21
8127810 Internal wheel suspension and shock absorbing system 2012-03-06
7810533 Internal wheel suspension and shock absorbing system 2010-10-12