Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059104 | Backrest for a collapsible beach chair | William R. Stumpf | 2025-01-28 |
| 12004685 | Food heating apparatus | William R. Stumpf | 2024-06-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059104 | Backrest for a collapsible beach chair | William R. Stumpf | 2025-01-28 |
| 12004685 | Food heating apparatus | William R. Stumpf | 2024-06-11 |