Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888976 | Device for measuring the effective viscosity of a lubricant | — | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888976 | Device for measuring the effective viscosity of a lubricant | — | 1989-12-26 |