Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532431 | Method and apparatus for producing electrical energy from a cyclic combustion process utilizing coupled pistons which reciprocate in unison | Maxim D. Iliev, Stefan D. Karamanski, Frederik M. Makedonski | 1985-07-30 |