Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986069 | Engine exhaust particle trap captured mass sensor | Wayne M. Wagner | 1991-01-22 |
| 4650506 | Multi-layered microfiltration medium | Richard L. Zelinka | 1987-03-17 |
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986069 | Engine exhaust particle trap captured mass sensor | Wayne M. Wagner | 1991-01-22 |
| 4650506 | Multi-layered microfiltration medium | Richard L. Zelinka | 1987-03-17 |