Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10463928 | Golf club head having an adjustable weighting system | Ryan M. Stokke, David A. Higdon, Martin R. Jertson, Xiaojian Chen | 2019-11-05 |
| 10369441 | Golf club head with hidden screw port | Daniel K. Lee, Martin R. Jertson | 2019-08-06 |