Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803523 | Extendable support system | Jeffrey L. Clark, Robert M. Beard | 1998-09-08 |
| 4974282 | Upholstery cleaning system | Arlen M. Knight, William R. Hatchmann | 1990-12-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803523 | Extendable support system | Jeffrey L. Clark, Robert M. Beard | 1998-09-08 |
| 4974282 | Upholstery cleaning system | Arlen M. Knight, William R. Hatchmann | 1990-12-04 |