Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886875 | End-capping of polyarylate carboxyl acid ends by use of aromatic carbonates | Frank P. Gay, Francis M. Logullo, Sr., Mark P. Mack | 1989-12-12 |
| 4832894 | Pultrusion of filaments of anisotropic melt-forming polymers | — | 1989-05-23 |