Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894960 | Canopy assembly | Roger W. Hill | 1990-01-23 |
| 4779369 | Display apparatus | Roger W. Hill | 1988-10-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894960 | Canopy assembly | Roger W. Hill | 1990-01-23 |
| 4779369 | Display apparatus | Roger W. Hill | 1988-10-25 |