Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D428999 | Manhole cover | Michael D. Lattner, Adam J. Koehler | 2000-08-01 |
| D428658 | Manhole cover | Michael D. Lattner, Adam J. Koehler | 2000-07-25 |
| 5649450 | Alarm assembly for product level gauge | Michael D. Lattner | 1997-07-22 |