Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8696780 | Air cleaner for removing air pollutants from an air stream | Christoph Bichl, Heinz Winkler, Alois Homer, Erich Petein | 2014-04-15 |
| 5325617 | System for changing the barrel of a gun or weapon | Franz Gabriel | 1994-07-05 |