RP

Richard T. Polanic

SA Saf-Holland: 8 patents #16 of 144Top 15%
📍 Hudsonville, MI: #45 of 300 inventorsTop 15%
🗺 Michigan: #11,873 of 86,293 inventorsTop 15%
Overall (All Time): #644,602 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9242519 Automatic lock system for vehicle hitch assembly Eric Terpsma 2016-01-26
8960704 Fifth wheel hitch kingpin assembly Eric Terpsma, Gerald W. Hungerink, Richard Sibley, Jr. 2015-02-24
8708362 Automatic lock system for vehicle hitch assembly Eric Terpsma 2014-04-29
8540270 Hitch coupler Eric Terpsma, Roger L. Jansen, III 2013-09-24
D688172 Pintle hook Eric Terpsma 2013-08-20
8336902 Hitch coupler Eric Terpsma, Roger L. Jansen, III 2012-12-25
7766361 Rotating fifth wheel hitch kingpin assembly Gerald W. Hungerink, Steven C. Dupay, Eric Terpsma, Jason D. Howe, Justin D. Keatley +2 more 2010-08-03
7431321 Trailer hitch assembly Eric Terpsma, David O. Roe, Rudolph A. Bahnsen 2008-10-07