Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6063344 | Removing anions from alkaline silicate solutions | Sharon D. Fritts, Walter Opalinski | 2000-05-16 |
| 4221517 | Brick dehacker and stacker | William P. Osborn, Terance M. King | 1980-09-09 |