Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165951 | Lubricating composition | — | 2000-12-26 |
HL
Helmut Leonhardt
Overall (All Time): #3,637,843 of 4,157,543Top 90%
1
Patents All Time