Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821647 | Downhill tubular guideway having an air suspension system for passenger car | Tyrone E. Powell | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821647 | Downhill tubular guideway having an air suspension system for passenger car | Tyrone E. Powell | 1989-04-18 |