Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6508379 | Leak-free drinking cup | Jan Albert Henri Klein Nagelvoort, Alberthe Joan Klein Nagelvoort, Henri Jan Albert Klein Nagelvoort | 2003-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6508379 | Leak-free drinking cup | Jan Albert Henri Klein Nagelvoort, Alberthe Joan Klein Nagelvoort, Henri Jan Albert Klein Nagelvoort | 2003-01-21 |