Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10048036 | Projectile launching device with self-timing and without cam lean | James J. Kempf | 2018-08-14 |
| 10018442 | Shooting bow with reduced limb travel | James J. Kempf | 2018-07-10 |
| 10012468 | Self-centering anti-dry fire device for a crossbow | James J. Kempf | 2018-07-03 |
| 9945634 | Multi-draw weight archery bow with cable timing | James J. Kempf | 2018-04-17 |
| 9879938 | Reverse style crossbow having four cable pulleys | James J. Kempf | 2018-01-30 |
| 9829268 | Projectile launching device with self-timing and without cam lean | James J. Kempf | 2017-11-28 |
| 9759509 | Projectile launching device with self-timing and without cam lean | James J. Kempf | 2017-09-12 |
| 9696107 | Multi-element one piece crossbow frame | James J. Kempf | 2017-07-04 |
| 9513080 | Reverse style crossbow | James J. Kempf | 2016-12-06 |
| 9243861 | Shooting bow with pulleys | James J. Kempf | 2016-01-26 |