Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337420 | Method and apparatus for mounting and locating a helmet comfortably on the head of a person, and combination resulting therefrom | Keith N. Groves | 1994-08-16 |
| 4846471 | Method for use in the training and warming-up of baseball pitchers | — | 1989-07-11 |