Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363304 | Engine ignition system with anti-knock timing shift | Adolf Fritz, Michael Gottschick, Alfred Krappel | 1982-12-14 |
JG
Johannes Guggenmos
Overall (1982): #52,972 of 81,411Top 70%
1
Patents 1982