Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10606243 | Assembly tool production | John Bickerstaff | 2020-03-31 |
| 9889949 | Aircraft airframe assembly | — | 2018-02-13 |
| 7306725 | Device for treating water | Ludwig Bartl, Karel Stefka | 2007-12-11 |
| 6860990 | Device for treating water | Ludwig Bartl, Karel Stefka | 2005-03-01 |