Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597170 | Arrangement in catapult | Heikki Ilmari Verho | 2020-03-24 |
| 7954755 | Method of launching a catapult, catapult, and locking device | — | 2011-06-07 |
| 7562843 | Method of launching a catapult, catapult, and locking device | — | 2009-07-21 |
| 7111807 | Arrangement in catapult | — | 2006-09-26 |