Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495225 | Compression piston ring with profiled section | Peter Esser | 2019-12-03 |
| 10436323 | Piston ring having a groove seal | FRANK NATHEM | 2019-10-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495225 | Compression piston ring with profiled section | Peter Esser | 2019-12-03 |
| 10436323 | Piston ring having a groove seal | FRANK NATHEM | 2019-10-08 |