Patents by Inventor Gerald F. Helland

Gerald F. Helland 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).

  • Sulfamylbenzoic acids
    Patent number: 3992441
    Abstract: Certain mono- and disubstituted-5-sulfamylbenzoic acids, many of which are novel, and their use in lowering blood lipid levels in mammals.
    Type: Grant
    Filed: June 20, 1974
    Date of Patent: November 16, 1976
    Assignee: Pfizer Inc.
    Inventor: Gerald F. Helland