Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197759 | Air bag collision safety device | Heinz Methfessel | 1993-03-30 |
| 4984821 | Gas expansion type shock absorbing safety cloth for autocycle driver | Sang Nam Kim, Heinz Methfessel | 1991-01-15 |