Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695039 | Method for determining a characteristic of a material | Ken R. Powell | 1997-12-09 |
| 5593017 | Method and apparatus for identifying information contained in surface deviations | Ken R. Powell | 1997-01-14 |
| 5502559 | Apparatus and method for detection of material used in construction of containers and color of same | Ken R. Powell | 1996-03-26 |
| 5435445 | Method of operating a reverse vending machine | William R. Dellinger, Jr. | 1995-07-25 |