Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857088 | Filter for cleaning the exhaust gases from diesel engines | Tiberiu Mizrah, Albert Maurer | 1989-08-15 |
| 4822694 | Composite material | Jean-Paul Randin | 1989-04-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857088 | Filter for cleaning the exhaust gases from diesel engines | Tiberiu Mizrah, Albert Maurer | 1989-08-15 |
| 4822694 | Composite material | Jean-Paul Randin | 1989-04-18 |