Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798460 | Method and apparatus for detecting and modifying peripheral curves and junction ridges in contact lenses | Robert D. Buffington | 1989-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798460 | Method and apparatus for detecting and modifying peripheral curves and junction ridges in contact lenses | Robert D. Buffington | 1989-01-17 |