Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021246 | Iron golf club heads and golf club sets with variable weight distribution | David Llewellyn, Tetsuya Kanayama, Isamu Toshinari, Kazuhiro Doi | 2011-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021246 | Iron golf club heads and golf club sets with variable weight distribution | David Llewellyn, Tetsuya Kanayama, Isamu Toshinari, Kazuhiro Doi | 2011-09-20 |