Patents/Inventors

James J. Kempf

Coralville, IAUS5 patents

6 Patents

US124492292025
Bottom Chamber Firing Revolver
0 cites
US123791802025
Crossbow with De-cocking Crank Mechanism Having Sprockets
BARNETT OUTDOORS, LLC.
0 cites
US122478032025
Crossbow with Inertia Brake Cocking Device
0 cites
US122159542025
Cranking Mechanism
0 cites
US120254022024
Bowstring Carrier Traverse
BARNETT OUTDOORS, LLC
0 cites
US116299282023
Cranking Mechanism
ARCHERY INNOUATORS, LLC
0 cites