Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192916 | Process for producing defatted heparin tissue for heparin production | William E. Melby, Vernon K. Collins | 1980-03-11 |
| 4188467 | Process for tempering tissue for heparin production | William E. Melby, Vernon K. Collins | 1980-02-12 |