Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947209 | Ground working implement including a shank and a tip | James W. Halford | 1999-09-07 |
| 4969381 | Composite-materials acoustic stringed musical instrument | John A. Decker, Jr., Linda M. Decker | 1990-11-13 |
| 4873907 | Composite-materials acoustic stringed musical instrument | John A. Decker, Jr., Linda M. Decker | 1989-10-17 |