Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375840 | Golf club iron set having graded face angles and weight distribution | Robert D. Hirsch, Richard J. Liesz, Mark W. McClure | 1994-12-27 |
| D353644 | Golf club head | Robert D. Hirsch, Richard J. Liesz, Mark W. McClure | 1994-12-20 |