Patents by Inventor Torkel I. Fischer

Torkel I. Fischer 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).

  • Hypersensitivity test means
    Patent number: 4836217
    Abstract: The invention relates to a novel device and method for carrying out occlusive epicutaneous tests (patch tests). This type of test is employed for detecting contact allergy to some specific substance (allergen) or for testing allergenic and/or irritant properties of a substance. The invention is characterized in that the test substance is incorporated in a dry film.
    Type: Grant
    Filed: April 11, 1986
    Date of Patent: June 6, 1989
    Inventor: Torkel I. Fischer