Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842106 | Rate controllable damping mechanism | Howard R. Ludwig, Mark S. Yuan, Robert Elson | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842106 | Rate controllable damping mechanism | Howard R. Ludwig, Mark S. Yuan, Robert Elson | 1989-06-27 |