Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442964 | Apparatus and method for measuring force with static electric field produced by piezoid elements | James A. Coates | 1995-08-22 |
| 5259739 | Non-reciprocating multi-piston engine | James A. Coates | 1993-11-09 |