Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577463 | Extruded smectite clay clumping animal litter having improved clump strength | Gary W. Beall, John Hughes | 1996-11-26 |
| 5452684 | Method of agglomerating a smectite clay litter | Gary W. Beall, John Hughes | 1995-09-26 |