Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915684 | Method and apparatus for modulating the flow of lacrimal fluid through a punctum and associated canaliculus | Donald L. MacKeen | 1990-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915684 | Method and apparatus for modulating the flow of lacrimal fluid through a punctum and associated canaliculus | Donald L. MacKeen | 1990-04-10 |