Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12142248 | Foldable stringed instrument and related methods | Jonathan Spangler, Bryan Cornwall, Joseph Glaser, II | 2024-11-12 |
| 12057093 | Hinge assembly for stringed musical instrument | Jonathan Spangler | 2024-08-06 |
| 11872444 | Stair step exercise machine | Shawn Reed, Charles Kennedy | 2024-01-16 |
| 11663996 | Foldable stringed instrument and related methods | Jonathan Spangler, Bryan Cornwall, Joseph Glaser, II | 2023-05-30 |
| 6568654 | Positive locking valve control device | Mike Michna | 2003-05-27 |