Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419094 | Fixed sequential sprayer for a cylindrical wastewater screen | David R. Zittel, Daniel D. Maupin | 2002-07-16 |
| 5927788 | Static dissipating plastic truck cargo bed liner | — | 1999-07-27 |