Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1013039 | Writing instrument | Hanna Tsuhara, Helena B. Harrison | 2024-01-30 |
| D1011423 | Writing instrument | John C. DePass | 2024-01-16 |
| D952742 | Writing instrument | Hanna Tsuhara, Helena B. Harrison | 2022-05-24 |
| D945527 | Writing instrument | John C. DePass | 2022-03-08 |