Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D646444 | High back cat litter pan with hood | Thomas Lawson, Christopher E. Chance | 2011-10-04 |
| D636950 | Cat litter pan | Thomas Lawson, Christopher E. Chance | 2011-04-26 |
| D636545 | Cat litter pan | Thomas Lawson, Christopher E. Chance | 2011-04-19 |
| D635726 | Cat litter pan | Thomas Lawson, Christopher E. Chance | 2011-04-05 |