Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9327378 | Blade sharpening system for agricultural implements | Robert A. Zemenchik, Ivan Rieke | 2016-05-03 |
| 8535120 | Blade sharpening system for agricultural implements | Robert A. Zemenchik, Ivan Rieke, Ross L. Gingrich, Ben Zimmerman, Alan Martin +3 more | 2013-09-17 |
| D635590 | Tandem disc with finishing basket | Michael G. Kovach, Rick L. Gerber, Melvin L. Blunier | 2011-04-05 |
| 7721815 | Cushion standard shield system | Aaron Beyer, Rickey Gerber, Gaylen James Kromminga | 2010-05-25 |
| 7631701 | Rigid standard bearing shield disk scraper system | Gaylen James Kromminga, Aaron Beyer, Rickey Gerber, Scott Robert Faust | 2009-12-15 |