Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D919370 | Tulip glass | George Frederich Manska, Christine Renea Crnek | 2021-05-18 |
| D917234 | Pilsner glass | George Frederich Manska, Christine Renea Crnek | 2021-04-27 |
| D917235 | Chalice glass | George Frederich Manska, Christine Renea Crnek | 2021-04-27 |