Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861812 | Compositions for preparing cement-adhesive reinforcing fibers | Wai Y. Chow | 1989-08-29 |
| 4801630 | Composition for preparing cement--adhesive reinforcing fibers | Wai Y. Chow | 1989-01-31 |