Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976065 | System, method and computer program product for air filter management | Richard Ringström | 2021-04-13 |
| 9522355 | Filter unit | Erik Lans | 2016-12-20 |
| 5150869 | Multi-functional coaster | Murray J. Gould, Matthew O. Kohn | 1992-09-29 |