Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937439 | Method and system for creating and scanning a customized survey form | Lester A. Wanninger, Vernon F. Koch, Thomas J. Duxbury | 1990-06-26 |
| 4857715 | Overprint registration system for printing a customized survey form and scannable form therefor | Vernon F. Koch, Lester A. Wanninger | 1989-08-15 |