Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113970 | Batting aid device having automatic ball feed | Donald Mauer, James E. Mauer | 2012-02-14 |
| 7794340 | Adjustable length training bat | Donald Mauer, James E. Mauer | 2010-09-14 |
| 6974396 | Batting aid device | Donald Mauer, James E. Mauer | 2005-12-13 |
| 6240658 | Lightweight snowplow assembly | William W. Wilkerson | 2001-06-05 |