Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728760 | Induction heating pressure welding with rotary bus bar joint | Charles A. Brolin, Richard E. Moeller | 1988-03-01 |
| 4717801 | Dual induction heating pressure welding apparatus having a control circuit | Charles A. Brolin, Ronald L. Pike | 1988-01-05 |
| 4687892 | Inert atmosphere control for induction heated pressure welding system | Charles A. Brolin, Richard E. Moeller | 1987-08-18 |
| 4436169 | Elevating and tilting mechanism for crane cab | Lyle B. Jensen | 1984-03-13 |