Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098589 | Hybrid elastomer/metal on metal motor | John Eugene Purcell, Edmond Tate Coghlan | 2021-08-24 |
| 10968699 | Lobed rotor with circular section for fluid-driving apparatus | Edmond Tate Coghlan, Zachariah Paul Rivard | 2021-04-06 |