ET

Eric Terpsma

SA Saf-Holland: 20 patents #2 of 144Top 2%
📍 Twin Lake, MI: #1 of 2 inventorsTop 50%
🗺 Michigan: #4,032 of 86,293 inventorsTop 5%
Overall (All Time): #216,489 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12397599 Supply line distance compensation system for use in a vehicle Arnesh Bose, Justin Fisher, Marc Johnson, Lance Gage 2025-08-26
9242519 Automatic lock system for vehicle hitch assembly Richard T. Polanic 2016-01-26
9016708 Fifth wheel hitch kingpin assembly 2015-04-28
D726518 Spanner socket 2015-04-14
8960704 Fifth wheel hitch kingpin assembly Richard T. Polanic, Gerald W. Hungerink, Richard Sibley, Jr. 2015-02-24
D714193 Pintle hook coupler bracket Jared Patterson 2014-09-30
8708362 Automatic lock system for vehicle hitch assembly Richard T. Polanic 2014-04-29
D701445 Pintle hook latch assembly 2014-03-25
D699095 Pintle latch Jared Patterson 2014-02-11
D698287 Hitch 2014-01-28
8608187 Flange mount drawbar with self-aligning snubber Jared Patterson 2013-12-17
8540270 Hitch coupler Roger L. Jansen, III, Richard T. Polanic 2013-09-24
D688169 Pintle hook assembly 2013-08-20
D688172 Pintle hook Richard T. Polanic 2013-08-20
D687746 Pintle hook 2013-08-13
D687747 Pintle hook 2013-08-13
D687748 Pintle hook assembly 2013-08-13
8336902 Hitch coupler Roger L. Jansen, III, Richard T. Polanic 2012-12-25
7766361 Rotating fifth wheel hitch kingpin assembly Gerald W. Hungerink, Steven C. Dupay, Richard T. Polanic, Jason D. Howe, Justin D. Keatley +2 more 2010-08-03
7431321 Trailer hitch assembly David O. Roe, Richard T. Polanic, Rudolph A. Bahnsen 2008-10-07