Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851348 | Biologically pure escherichia coli cell line which is a deoR.sup.- mutant and which is more transformation efficient with foreign plasmids than deoR.sup.+ escherichia coli cell lines, processes for obtaining these cell lines, methods of use | — | 1989-07-25 |