Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6196645 | Means and method for removing debris from the drive wheel of a track-driven vehicle | Janice M. Bergstrom | 2001-03-06 |
| 6089684 | Means and method for removing debris from the drive wheel of a track-driven vehicle | Jenice Bergstrom | 2000-07-18 |