Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865003 | Method and apparatus for activating fuel prior to combustion | David H. Scharnweber, Donald Haefner | 1989-09-12 |
| 4812747 | Transducer linearizing system | Allan Roy Gale | 1989-03-14 |