Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963826 | Performance optimizer system and method | David Wallace Hanaman, Mauricio Barberi, Michael Ahearne, George Sivulka, Russell John Nuzzo +2 more | 2005-11-08 |
| 4434864 | Roof bolter vehicle and wheels therefor | — | 1984-03-06 |