Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839110 | Method of molding using gated dies | — | 1989-06-13 |
| 4836960 | Fabrication of thermoplastic optical components by injection/compression molding | David P. Spector | 1989-06-06 |