Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368542 | Apparatus and method for separating microscopic units in a substantially continuous density gradient solution | John D. McMannis | 1994-11-29 |
| 5316540 | Apparatus and method for separating microscopic units in a substantially continuous density gradient solution | John D. McMannis | 1994-05-31 |