Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814674 | Iron golf club | Karl A. Clausen, Robert R. Lang, Richard C. Helmstetter | 2004-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814674 | Iron golf club | Karl A. Clausen, Robert R. Lang, Richard C. Helmstetter | 2004-11-09 |