Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9237406 | Speaker impedance measurement | Federico Guanziroli, Sergio Pernici, Jan R. E. Thimansson | 2016-01-12 |
| 8123311 | Portable display system and associated methods | — | 2012-02-28 |
| 7596871 | Adjustable tool | — | 2009-10-06 |
| 4296772 | Non-return valve | — | 1981-10-27 |