Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191591 | Battery cell grading holder | Joseph S. Ratajczak, Harold T. Coyle, Julio C. Delgado | 2001-02-20 |
| 5944567 | Heat-activated wire terminal assembly and method | Joseph S. Ratajczak, Harold P. Coyle | 1999-08-31 |
| 4584250 | Battery with slideably retractable attachment means | John W. Hooke | 1986-04-22 |
| D280317 | Rechargable battery pack | Jeffrey A. Boyd, Vincent J. Pusateri, John W. Hooke | 1985-08-27 |