GT

Gregory R. Thorwall

HH Holland Hitch: 2 patents #7 of 19Top 40%
SA Saf-Holland: 1 patents #76 of 144Top 55%
📍 Holland, MI: #446 of 1,299 inventorsTop 35%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,537,742 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8342557 Fifth wheel slider assembly Richard Sibley, Jr., Rudolph A. Bahnsen, Justin D. Keatley, John G. Wieringa, Gerry W. Hungerink 2013-01-01
5332250 Pintle hook Gerald W. Hungerink 1994-07-26
5257796 Integrated cam lever/handle lock fifth wheel Gerald W. Hungerink, John Thomas Buckley 1993-11-02