Patents Examined by Antooine D. Davis
  • Noise monitor with red surface lighting
    Patent number: D654386
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: February 21, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Philip J. Battenberg, William J. Nielsen, Michael G. Wurm, Patrick J. Kilps, Thomas E. King, Jeffrey M. Smits