DP

David R. Pernesky

HO Holland: 2 patents #25 of 76Top 35%
SA Saf-Holland: 2 patents #59 of 144Top 45%
📍 Holland, MI: #373 of 1,299 inventorsTop 30%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,236,622 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7879273 Fifth wheel lube plate having a perforated support member Gerald W. Hungerink 2011-02-01
7547034 Fifth wheel lube plate having a perforated support member Gerald W. Hungerink 2009-06-16
7140633 Fifth wheel mounting and cross member assembly Mark M. Audo, Steven C. Dupay, Michael H. Ginocchio, Gerald W. Hungerink 2006-11-28
7036839 Fifth wheel lube plate having a perforated support member Gerald W. Hungerink 2006-05-02