Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841818 | Vial stopper removal device | Christopher Plapp, Frederick A. Plapp | 1989-06-27 |
| 4816413 | Solid phase indicator red blood cells and method | Lyle T. Sinor, Jane M. Rachel | 1989-03-28 |