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  • Yakshi-Tafti, E., Kumar, R. and Cho, H.J. Microfluidic Mixer Having Channel Width Variation for Enhanced Fluid Mixing, US Patent #8,430,558, issued April 30, 2013.
  • Kar, A., Kumar, R. and Castillo-Orozco, E.  Laser-Assisted Manufacturing System and Associated Method of Use (Patent pending).
  • Kar, A., Kumar, R., Sugrim, J., Burkhart, R. Heavily Doped SiC Photodetector and Related Method (Patent pending).