Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D526852 | Round plate with concentric compartment and two side compartments | Mark B. Littlejohn, Dianne Robbins | 2006-08-22 |
| D526536 | Round plate with concentric compartment | Mark B. Littlejohn, Dianne Robbins, Jeffrey Craig Gottke | 2006-08-15 |