Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10863861 | Waffle sandwich maker and method of preparing a food product with the waffle sandwich maker | Roberta M Langenfeld, Ralph A Stenvik, Lisa Swanson, Michele Wolf, Zachary Harder +3 more | 2020-12-15 |
| D806472 | Waffle plate | Roberta M Langenfeld, Ralph A Stenvik, Lisa Swanson, Michele Wolf, Zachary Harder +3 more | 2018-01-02 |