Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1053018 | Cosmetic powder package | Nils Ernst Alfons Siegel, Shaocheng Ma | 2024-12-03 |
| D980083 | Airless dispenser | Nils Ernst Alfons Siegel, Shaocheng Ma, Alexander L. Kwapis | 2023-03-07 |