Westbrook, Maine
United States
4
2013-08-22
The entities that hold a legal rights for patent applications filed by inventor Ewing Charles A.:
Charles A. Ewing from Westbrook, US has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features
#2 | 2009-10-08System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features
#3 | 2009-10-08System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features
#4 | 2007-07-12Method and apparatus for determining liquid volume
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