Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5830765 | Feline urinary tract disease-detecting paper cat litter and method | Carl V. Santioemmo | 1998-11-03 |
| 5780385 | Feline urinary tract disease-detecting paper cat litter and method | Carl V. Santioemmo | 1998-07-14 |
| 5685259 | Feline urinary tract disease-detecting transversely folded paper cat litter | Carl V. Santioemmo | 1997-11-11 |