JK

James J. Kempf

AI Archery Innovators: 29 patents #1 of 4Top 25%
BL Barnett Outdoors, Llc.: 2 patents #4 of 12Top 35%
📍 Coralville, IA: #2 of 181 inventorsTop 2%
🗺 Iowa: #70 of 15,303 inventorsTop 1%
Overall (All Time): #37,332 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
8875687 Tangent point arrow rest Dorge O. Huang 2014-11-04
8770178 Shooting bow 2014-07-08
8720424 Dual stirrup crossbow 2014-05-13
8505527 Archery quiver attachment 2013-08-13
8104461 Crossbow cocking assembly 2012-01-31
7836871 Powerstroke crossbow 2010-11-23
7708001 Bow 2010-05-04
7363921 Crossbow 2008-04-29
7328693 Reverse draw technology archery 2008-02-12
7174884 Trigger assembly Lewis Van Winkle, Alan P. Van Winkle, Samel Collora 2007-02-13
5538101 Adjustable, portable combination tree stand 1996-07-23