Inventor

EWING CHARLES A

US4 patents

⚠️ This page may combine multiple inventors who share the name “EWING CHARLES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARTEL INC

3 patents

US7772008B2Aug 10, 2010

Method and apparatus for determining liquid volume

ARTEL INC19 citations77

US7791716B2Sep 7, 2010

System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features

ARTEL INC4 citations56

US9234833B2Jan 12, 2016

System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features

ARTEL INC0 citations48

CURTIS RICHARD H

1 patent

US8404158B2Mar 26, 2013

System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features

CURTIS RICHARD H3 citations58