Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871830 | Polyestercarbonate containing divalent residue of polymerized alkadiene monomer | by Carol M. Mark, representative, by Ester H. Mark, representative, Edward N. Peters | 1989-10-03 |