Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710107 | Force or field balance device and method for measuring position | — | 2010-05-04 |
| 7673509 | Magnetically coupled drive for a sealed liquid level sender | — | 2010-03-09 |
| 7079005 | Mechanically buffered contact wiper | — | 2006-07-18 |
| 6851315 | Hermetic fuel level sender | Rudolph Bergsma | 2005-02-08 |
| 6247757 | Rotatable implement depth control apparatus | — | 2001-06-19 |
| 6139218 | Vibrating mechanism | — | 2000-10-31 |
| 6135567 | Rotatable implement depth control apparatus | — | 2000-10-24 |
| 5768973 | Hydraulic line and valve assembly for construction vehicle auxiliary implements | — | 1998-06-23 |