Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743127 | Bat with composite handle | Douglas G. Guenther, Mark A. Fritzke | 2004-06-01 |
| 6733404 | Insert for a bat having an improved seam orientation | Mark A. Fritzke, William Jerome Garnett | 2004-05-11 |
| 6702698 | Bat with composite handle | Douglas G. Guenther, Mark A. Fritzke | 2004-03-09 |