Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811706 | Pressurized balanced sealing system for use on the ring-liner interface of a coal fired diesel engine | — | 1989-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811706 | Pressurized balanced sealing system for use on the ring-liner interface of a coal fired diesel engine | — | 1989-03-14 |