Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354521 | Quick disconnect and release hose couplings | Thomas V. Kusilek | 2002-03-12 |
| 5785453 | Chariot for depressing pavement marking tape | John L. Marty | 1998-07-28 |
| 5047107 | Method and apparatus for applying a reflective sleeve to a traffic cone | Louis F. Keller, Heinrich F. Stenemann | 1991-09-10 |