Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D858667 | Iron club head | Tomotaro Marukawa, Paul M. Demkowski, Thomas Vu, Michael Walker | 2019-09-03 |
| D857820 | Iron club head | Tomotaro Marukawa, Paul M. Demkowski, Thomas Vu, Michael Walker | 2019-08-27 |
| D857821 | Iron club head | Tomotaro Marukawa, Paul M. Demkowski, Thomas Vu, Michael Walker | 2019-08-27 |