Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019564 | Non-clay agricultural granule | Ricky L. Yoder, Clayton C. Nelson | 1991-05-28 |
| 4930443 | Animal litter composition | Marvin L. Raymond | 1990-06-05 |
| 4734393 | Non-clay oil and grease absorbent | Ricky L. Yoder, Clayton C. Nelson | 1988-03-29 |
| 4721059 | Nonclay catbox filler | Ricky L. Yoder | 1988-01-26 |
| 4664064 | Cat box filler with incorporated pesticide | — | 1987-05-12 |