Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876475 | Brush holder with plastic cup to retain biasing spring | — | 1989-10-24 |
| 4808405 | P-anisoyl streptokinase/plasminogen complex | John G. Winchester | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876475 | Brush holder with plastic cup to retain biasing spring | — | 1989-10-24 |
| 4808405 | P-anisoyl streptokinase/plasminogen complex | John G. Winchester | 1989-02-28 |