Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777821 | Measuring apparatus for measuring the alteration of a liquid quantity, especially the quantity of oil in an internal combustion engine | — | 1988-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777821 | Measuring apparatus for measuring the alteration of a liquid quantity, especially the quantity of oil in an internal combustion engine | — | 1988-10-18 |