Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882302 | Lathanide series oxide modified alkaline-resistant glass | Arnold E. Goldman, Durai N. Raghavan | 1989-11-21 |
| 4680277 | Alumina and alkaline earth metal oxide modified zeolite glass composition | — | 1987-07-14 |
| 4652535 | Alkaline-resistant glass bodies and fibers | John Devin MacKenzie | 1987-03-24 |
| 4448599 | Hollow spheres produced from natural zeolites | John Devin MacKenzie | 1984-05-15 |