Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216634 | Animal litter, process for preparing animal litter, and method for removal of animal waste | Roger McPherson, Steven L. Ramsden, Leona E. Bishop, Frank J. Gute | 2001-04-17 |
| 6098569 | Animal litter, process for preparing animal litter, and method for removal of animal waste | Roger McPherson, Steven L. Ramsden, Leona E. Bishop, Frank J. Gute | 2000-08-08 |