Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867114 | Multi-walled tubular baseball bats with barrel inserts of variable geometry | Stephen Fitzgerald, Frederic St. Laurent | 2011-01-11 |
| D600758 | Baseball bat | Stephen Fitzgerald, Frederic St. Laurent | 2009-09-22 |
| 7320653 | Tubular baseball bats with full length core shafts | Stephen Fitzgerald, Frederic St. Laurent | 2008-01-22 |
| 7232388 | Polymer composite bat | Stephen Fitzgerald, Frederick St. Laurent | 2007-06-19 |
| 7044871 | Tubular baseball bats with full length core shafts | Frederic St. Laurent, Stephen Fitzgerald | 2006-05-16 |
| 7008339 | Composite over-wrapped lightweight core | — | 2006-03-07 |
| 6755757 | Composite over-wrapped lightweight core and method | — | 2004-06-29 |
| 6723012 | Polymer composite bat | — | 2004-04-20 |
| 6062995 | Joint assembly comprising a deforming element | Stephen Duncan Murphy | 2000-05-16 |