Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827706 | Combined spreading and sifting device for leveling soil | David W. Klienhuzen | 1989-05-09 |
| 4627563 | Device for driving U-shaped anchors into the ground | — | 1986-12-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827706 | Combined spreading and sifting device for leveling soil | David W. Klienhuzen | 1989-05-09 |
| 4627563 | Device for driving U-shaped anchors into the ground | — | 1986-12-09 |