Patents by Inventor Herbert Helander

Herbert Helander 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: 5962503
    Abstract: There is provided the use of a cholinesterase inhibitor in the manufacture of a medicament for topical administration for use in the treatment of xerostomia
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: October 5, 1999
    Assignee: Astra Aktiebolag
    Inventors: Jorgen Ekstrom, Herbert Helander