Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053125 | Cat litter and process of making | Glenn E. Hall | 2000-04-25 |
| 5207389 | Cellulosic carrier | Glenn E. Hall | 1993-05-04 |
| 4281084 | Cocontinuous interpenetrating morphological network composition of polymer of methyl methacrylate and polymer of ethylene-vinyl acetate | Robert P. Fellmann, William H. Staas | 1981-07-28 |