Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789329 | Boron-free glass fibers | Douglas A. Hofmann, John W. Wingert | 1998-08-04 |
| 4582748 | Glass compositions having low expansion and dielectric constants | Don S. Goldman | 1986-04-15 |
| 4270944 | Method for producing calcium borates | Anna Tarantino | 1981-06-02 |
| 4233051 | Method for producing calcium borates | — | 1980-11-11 |