CR

Charles K. Renfro

📍 Elizabethton, TN: #22 of 115 inventorsTop 20%
🗺 Tennessee: #3,725 of 20,272 inventorsTop 20%
Overall (All Time): #1,017,086 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8132958 Multi-chambered fluid mixing apparatus and method 2012-03-13
7980755 Method for mixing additive into viscous material 2011-07-19
7407321 Method for mixing colorant with a viscous material 2008-08-05
7070318 Mixing apparatus having rotational and axial motion 2006-07-04
6910799 Mixing apparatus and method 2005-06-28