Patents by Inventor Peter Hunsinger

Peter Hunsinger 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: 4983416
    Abstract: A test slide for conducting a test of occult blood in feces is fabricated with a sheet of filter paper or other reagent carrier material impregnated with a test reagent and packaged in an envelope enclosure which overlies both sides of the reagent carrier sheet. One or more specimen apertures are provided in the enclosure on one side of the reagent carrier sheet to permit the placement of feces specimens on the reagent carrier sheet through the apertures. On the other side, the enclosure is openable to form a test opening (which encompasses the feces specimens) so that a developing reagent can be applied to the other side of the reagent carrier sheet at the location of the specimens. A barrier material, impervious to the passage of liquids, is deposited on the reagent carrier sheet in a line which runs across the area of the test opening.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: January 8, 1991
    Assignee: Propper Manufacturing Co., Inc.
    Inventors: Peter Hunsinger, Andrew Zwarun
  • Patent number: D347585
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: June 7, 1994
    Assignee: Propper Manufacturing Co., Inc.
    Inventors: Frank E. Platko, Ken Summer, Peter Hunsinger, Irving Speelman