Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11697220 | Barrel hoop driving apparatus and electric drive | Ericus Andreas van Kleef, Robert Scott Feldmeier | 2023-07-11 |
| 10357895 | Barrel hoop driving apparatus and electric drive | Ericus Andreas van Kleef, Robert Scott Feldmeier | 2019-07-23 |