Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879897 | Method and apparatus for the determination of viscosity | David W. Edwards, Colin W. Wrigley, Robert A. Orth | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879897 | Method and apparatus for the determination of viscosity | David W. Edwards, Colin W. Wrigley, Robert A. Orth | 1989-11-14 |