Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6183381 | Fiber-reinforced metal striking insert for golf club heads | William F. Grant, Stephen Kraus | 2001-02-06 |
| 5779560 | Golf club heads | Michael Eugene Buck, Stephen Kraus | 1998-07-14 |