Patents by Inventor David R. Legg

David R. Legg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8663975
    Abstract: This application involves detecting luminescence. Various methods and devices are described that reduce interference of ambient light, including UV radiation, on test results. Such methods and devices include using UV blocking material and covering test components prior to use.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: March 4, 2014
    Assignee: Charm Sciences, Inc.
    Inventors: Stanley E. Charm, David R. Legg, Richard T. Skiffington, Robert J. Markovsky
  • Publication number: 20120231483
    Abstract: This application involves detecting luminescence. Various methods and devices are described that reduce interference of ambient light, including UV radiation, on test results. Such methods and devices include using UV blocking material and covering test components prior to use.
    Type: Application
    Filed: May 22, 2012
    Publication date: September 13, 2012
    Inventors: Stanley E. Charm, David R. Legg, Richard T. Skiffington, Robert J. Markovsky
  • Publication number: 20100129840
    Abstract: This application involves detecting luminescence. Various methods and devices are described that reduce interference of ambient light, including UV radiation, on test results. Such methods and devices include using UV blocking material and covering test components prior to use.
    Type: Application
    Filed: January 16, 2007
    Publication date: May 27, 2010
    Applicant: CHARM SCINECES, INC
    Inventors: Stanley E. Charm, David R. Legg, Richard T. Skiffington, Robert J. Markovsky