Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873947 | Variable compression ratio direct injection engine | Thomas W. Ryan, III, Milan J. Maymar | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873947 | Variable compression ratio direct injection engine | Thomas W. Ryan, III, Milan J. Maymar | 1989-10-17 |