Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D650878 | Iron-type golf club head | David Llewellyn, Kazuhiro Doi | 2011-12-20 |
| D645103 | Iron-type golf club | David Llewellyn, Kazuhiro Doi | 2011-09-13 |
| D641444 | Iron-type golf club head | David Llewellyn, Kazuhiro Doi | 2011-07-12 |