Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5040791 | Batting cage | Aleksandar Ratajac, Jean C. Langlois, Bobby Ratayats | 1991-08-20 |
| 4986551 | Portable golf practice swing assembly | Jean C. Langlois, Aleksandar Ratajac | 1991-01-22 |