Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059515 | Device for hitting balls | Thomas F. Kowalke | 2025-01-28 |
| D883411 | Table tennis paddle | Thomas F. Kowalke | 2020-05-05 |
| D836736 | Table tennis paddle | Thomas F. Kowalke | 2018-12-25 |