Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587043 | Thin label applicator | Clement F. Hying, Larry E. Wenzler | 1996-12-24 |
| 5066349 | Process for pultruding a composite sign | Gary J. Wirth, Brian A. Foxgrover | 1991-11-19 |
| 4935279 | Pultruded composite sign and process therefor | Gary J. Wirth, Brian A. Foxgrover | 1990-06-19 |
| 4812343 | Pultruded fiber reinforced plastic marking devices | John H. Kiekhaefer, Joseph S. Hetzer, Frank W. Harris | 1989-03-14 |