Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120388 | Perimeter weighted iron type golf club head with multiple level weight pads | Robert Thomas Blough, Donald S. Rahrig | 2000-09-19 |
| 5921869 | Perimeter weighted iron type golf club heads with multiple level weight pads | Robert Thomas Blough, Donald S. Rahrig | 1999-07-13 |