Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101783 | Ignition system and spark plug for multiple ignition in an internal combustion engine | Erich Pohlmann | 1992-04-07 |
| 4462835 | Lightweight building material and method of producing the same | — | 1984-07-31 |