Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859419 | Diagnostic manifold apparatus | Martin E. Marks, Chu-An Chang | 1989-08-22 |
| 4840714 | Electroblotting technique for transferring specimens from a polyacrylamide electrophoresis or like gel onto a membrane | — | 1989-06-20 |
| 4818701 | Apparatus for transferring biological specimens from a gel to a transfer membrane and method | — | 1989-04-04 |