Patents by Inventor Patricia L. Prewitt

Patricia L. Prewitt 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).

  • Method of forming agglutinates in blood samples
    Patent number: 5283178
    Abstract: The type of a blood specimen is determined by adding a portion thereof, either a diluted solution of its red cells or a portion of its plasma, to each of a multiplicity of wells in a transparent tray, by adding a blood type specific reagent to each of the wells in the tray, different reagents being added to different ones of the wells of the tray, periodically tilting the tray at a substantial angle of at least approximately 50.degree.
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: February 1, 1994
    Assignee: Abbott Laboratories
    Inventors: Marsha A. Kessler, Patricia L. Prewitt