Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857403 | High strength fibers from chitin derivatives | Hollis S. Kezar, III, John P. O'Brien | 1989-08-15 |
| 4833238 | High strength fibers from chitin derivatives | Hollis S. Kezar, III, John P. O'Brien | 1989-05-23 |