Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328815 | Shoe sole | James L. Grau, Rory W. Fuerst, James E. Granville | 1992-08-25 |
| D326950 | Shoe upper | James L. Grau, Rory W. Fuerst, James E. Granville | 1992-06-16 |
| D316175 | Shoe sole | James L. Grau, Rory W. Fuerst, James E. Granville | 1991-04-16 |
| D315979 | Shoe upper | James L. Grau, Rory W. Fuerst, James E. Granville | 1991-04-09 |