Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10847935 | Electrical contacts with electrically conductive springs | Robert Riegen | 2020-11-24 |
| 10263368 | Electrical contacts with electrically conductive springs | Robert Riegen | 2019-04-16 |
| D633272 | Axle jack | — | 2011-02-22 |
| 6807438 | Electric field sensor | Riccardo Brun del Re, Izmail Batkin | 2004-10-19 |