Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861812 | Compositions for preparing cement-adhesive reinforcing fibers | James J. McAlpin | 1989-08-29 |
| 4839422 | Ternary adhesive compositions | Kenneth O. McElrath, Martha L. Robertson | 1989-06-13 |
| 4801630 | Composition for preparing cement--adhesive reinforcing fibers | James J. McAlpin | 1989-01-31 |