Individual holder
RENFRO CHARLES K
4 granted patents·89 citations·filing 2002–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0187US7407321B1Method for mixing colorant with a viscous materialRENFRO CHARLES K·Filed 2005·Granted Aug 5, 2008·22 cites·3 claims
- 0285US7070318B2Mixing apparatus having rotational and axial motionRENFRO CHARLES K·Filed 2002·Granted Jul 4, 2006·54 cites·28 claims
- 0381US7980755B2Method for mixing additive into viscous materialRENFRO CHARLES K·Filed 2007·Granted Jul 19, 2011·13 cites·4 claims
- 0447US8132958B2Multi-chambered fluid mixing apparatus and methodRENFRO CHARLES K·Filed 2007·Granted Mar 13, 2012·0 cites·23 claims
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