Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D316471 | Credit and debit authorization panel or similar article | Donald P. Austin, Arthur C. Prewitt | 1991-04-23 |
| D309144 | Gasoline dispensing unit or similar article | Donald P. Austin, Arthur C. Prewitt, James E. Sacherman | 1990-07-10 |
| D306719 | Credit and debit authorization island card reader panel or similar article | Donald P. Austin, Arthur C. Prewitt, James E. Sacherman | 1990-03-20 |