Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869204 | Odorless animal litter unit having securing means | — | 1989-09-26 |
| 4852518 | Odorless animal litter unit | — | 1989-08-01 |
| 4848274 | Odorless animal litter unit | — | 1989-07-18 |
| 4840140 | Securing means for odorless animal litter unit | Janice P. Parker | 1989-06-20 |
| 4800841 | Cardboard container with litter pad | Sheldon H. Parker | 1989-01-31 |