Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514227 | Multi-draw weight archery bow with cable timing | James J. Kempf | 2019-12-24 |
| 10458742 | Projectile launching device with self-timing and without cam lean | James J. Kempf | 2019-10-29 |
| 10458743 | Crossbow with built in cocking device | James J. Kempf, Dorge O. Huang | 2019-10-29 |
| 10408560 | Shooting bow with reduced limb travel | James J. Kempf | 2019-09-10 |
| 10359254 | Crossbow with built in electric cocking | James J. Kempf, Dorge O. Huang | 2019-07-23 |
| 10215522 | Adjustable trigger pull for a crossbow | James J. Kempf | 2019-02-26 |