Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |