Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974396 | Batting aid device | Gregory Knutson, James E. Mauer | 2005-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974396 | Batting aid device | Gregory Knutson, James E. Mauer | 2005-12-13 |