Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D306537 | Display case | David L. Swanson | 1990-03-13 |
| 4839502 | Cooking apparatus | David L. Swanson | 1989-06-13 |
| 4757184 | Rack loaded, radiant heated, cantilevered deck oven and method | David L. Swanson | 1988-07-12 |
| 4503837 | Baking oven | Gilbert L. Smith, David L. Swanson | 1985-03-12 |
| 4215266 | Baking oven | Gilbert L. Smith, David L. Swanson | 1980-07-29 |