Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357918 | Valve operating mechanism for internal-combustion engines | Norbert Hemmerlein | 1994-10-25 |
TK
Thomas Kannen
Overall (All Time): #3,809,313 of 4,157,543Top 95%
1
Patents All Time