Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7666103 | Amusement ride | Walter Pondorfer | 2010-02-23 |
| 5671910 | Vacuum plates | David Davies | 1997-09-30 |
| 5076740 | Toolholders for machine tools | — | 1991-12-31 |
| 4812089 | Toolholders for machine tools | — | 1989-03-14 |