JH

John Hartzell

PA Parker-Hannifin: 1 patents #643 of 1,656Top 40%
📍 North Little Rock, AR: #16 of 92 inventorsTop 20%
🗺 Arkansas: #958 of 5,804 inventorsTop 20%
Overall (All Time): #1,205,970 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9422950 Floating optical sensor mount James Cirillo, Dustin Hromyak, Hung Phi Nguyen, David B. Crowley, Michael A. Laurich 2016-08-23
6224463 Workpiece finishing system and method of operating same 2001-05-01
4607553 Self-clearing punch with removable blade 1986-08-26
4494426 Punch with removable blade 1985-01-22