Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041221 | Double filtering oil filter for internal combustion engines of motor vehicles | — | 1991-08-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041221 | Double filtering oil filter for internal combustion engines of motor vehicles | — | 1991-08-20 |