Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456571 | Apparatus and method for handling business forms | William R. Schoenherr, Donald J. Nauheimer | 1995-10-10 |
| 5322496 | Method for handling business forms | Jeffrey P. Ernst, William R. Schoenherr | 1994-06-21 |