Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475100 | Golf club head with adjustable face angle | Richard C. Helmstetter, Andrew J. Goodjohn, Donald A. Bistline | 2002-11-05 |
| 6368230 | Golf club fitting device | Richard C. Helmstetter, Andrew J. Goodjohn, Donald A. Bistline | 2002-04-09 |