Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851913 | Systems and methods for a plug head assembly | Ryan Weber, Jeffrey C. Robison | 2020-12-01 |
| 6858813 | Weld overlay system | Howard Derrick Keller | 2005-02-22 |
| 6781083 | Weld overlay system | Howard Derrick Keller | 2004-08-24 |