Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216199 | Lead-free primed rimfire cartridge | Kenneth P. Kees, James P. Ward, Walter H. Stevens | 1993-06-01 |
| 4963201 | Primer composition | James P. Ward, Delbert O. Ells, Kenneth P. Kees | 1990-10-16 |
| 4608102 | Primer composition | Adalbert A. Krampen, Delbert O. Ells, James P. Ward | 1986-08-26 |