Patents by Inventor David R. Moorman

David R. Moorman 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).

  • Process for preparing test elements
    Patent number: 6093546
    Abstract: The invention relates to a process for making a test element, such as an analytical test element. Compositions of matter, such as analyte specific receptors, are treated to carry a charge. These are then applied to test carriers treated to carry a charge opposite that of the composition of matter. Interaction of charge fixes the composition of matter to the test element.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: July 25, 2000
    Assignee: Roche Diagnostics
    Inventors: David J. Ledden, David R. Moorman, Michael J. Kinch, Harvey B. Buck
  • Casing means for analytical test apparatus
    Patent number: 5820826
    Abstract: This application describes a casing for a diagnostic test strip. The casing contains two openings. One of the openings is defined by four sides, two of which, positioned opposite each other, terminate in a ridge. The ridge terminates short of the point where the diagnostic test strip is placed. A small gap results. This gap assists in metering liquid to the diagnostic test strip.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: October 13, 1998
    Assignee: Boehringer Mannheim Company
    Inventor: David R. Moorman
  • Analytical test apparatus with on board negative and positive control
    Patent number: 5356782
    Abstract: The invention is an apparatus useful in carrying out an analytical assay. The apparatus has a positive and negative control, as well as a site for determining the presence, amount, or lack of an analyte in a sample.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: October 18, 1994
    Assignee: Boehringer Mannheim Corporation
    Inventors: David R. Moorman, David J. Ledden, David D. Webster, Brian A. Heald