Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981119 | Method of increasing the exhaust braking power of an internal combustion engine | Alfred Neitz | 1991-01-01 |
| 4246086 | Method and apparatus for coating dental crowns and bridges | Hans W. Hennicke | 1981-01-20 |