Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11415186 | Automatic reversing mechanism for a rock drill | Kevin Hollander | 2022-08-16 |
| 6109040 | Stirling cycle refrigerator or engine employing the rotary wankel mechanism | Woodrow R. Ellison, Jr., Kerry R. Kohuth | 2000-08-29 |
| 6082119 | Commandably actuated cryostat | Woodrow R. Ellison, Jr., Kerry R. Kohuth | 2000-07-04 |