Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053827 | Metal bat with pressurized bladder in hitting zone and method of making same | Kaye K. MacKay, Jack W. MacKay, III | 2000-04-25 |
| 6007439 | Vibration dampener for metal ball bats and similar impact implements | — | 1999-12-28 |
| 5964673 | Hollow metal bat with stiffened transition zone and method of making same | — | 1999-10-12 |
| 5961405 | Aluminum bat with internal grooves | — | 1999-10-05 |
| 5931750 | Full barrel ball bat with end cap | — | 1999-08-03 |
| 5904628 | Golf club | George E. Manning | 1999-05-18 |
| 5800293 | Laminated wood bat and method of making same | — | 1998-09-01 |
| 5785614 | Full barrel ball bat with end cap | — | 1998-07-28 |
| 5785617 | Full barrel ball bat with end cap | — | 1998-07-28 |
| 5620179 | Laminated wood bat and method of making same | — | 1997-04-15 |
| 5494280 | Concave end cap with cone load for bats | — | 1996-02-27 |
| 5421572 | Full barrel aluminum baseball bat and end cap | — | 1995-06-06 |