Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11433451 | Conversion press and tab stock feeder assembly therefor | Dennis Cornelius Stammen, Andrew Hogenkamp | 2022-09-06 |
| 11400509 | Shell with expandable bubble and tooling therefor | Dennis Cornelius Stammen, Christopher Lawrence Macke | 2022-08-02 |