Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6988960 | Golf club head with peripheral weighting | Steven J. Mahaffey, David Lowe | 2006-01-24 |
| 6890267 | Golf club head with peripheral weighting | Steven J. Mahaffey, David Lowe | 2005-05-10 |
| 6860818 | Golf club head with peripheral weighting | Steven J. Mahaffey, David Lowe | 2005-03-01 |
| D490129 | Ribbed back golf club head with medallion | — | 2004-05-18 |
| D481432 | Ribbed back golf club head | — | 2003-10-28 |
| D478952 | Ribbed cavity back in a golf club head | — | 2003-08-26 |
| D368505 | Golf club putter | Arthur R. Martin | 1996-04-02 |
| D363961 | Golf club | John Krzynowek | 1995-11-07 |
| D363518 | Golf club putter | Arthur R. Martin | 1995-10-24 |
| D363328 | Golf club putter | Arthur R. Martin | 1995-10-17 |
| D363327 | Golf club putter | Arthur R. Martin | 1995-10-17 |
| D363329 | Golf club putter | Arthur R. Martin | 1995-10-17 |
| D363330 | Golf club putter | Arthur R. Martin | 1995-10-17 |
| 5290032 | Iron with progessive back cavity support bar | Frank Fenton | 1994-03-01 |
| D338937 | Golf club head | Frank Fenton | 1993-08-31 |
| D338938 | Golf club head | Frank Fenton | 1993-08-31 |
| D338252 | Golf club head | Frank Fenton | 1993-08-10 |