Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868011 | Process for surface modification of polymer articles | Maryam Rafiei, Joseph Silbermann | 1989-09-19 |
| 4865880 | Surface modified, U.V. stabilized, polyvinyl chloride article | Joseph Silbermann | 1989-09-12 |