Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787070 | Apparatus and method of filling a mold for manufacturing an ophthalmic lens | — | 2004-09-07 |
| 6716970 | Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof | William M. Hung, Katrina Bergbauer, Guigui Wang | 2004-04-06 |