Patents by Inventor Johann Kammermaier, deceased

Johann Kammermaier, deceased 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: 5552027
    Abstract: A working electrode or an electrochemical-enzymatic sensor system has a metallic base body which is provided with a thin layer of amorphous hydrogenated carbon (a-C:H).
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: September 3, 1996
    Assignee: Siemens Aktiengesellschaft
    Inventors: Siegfried Birkle, Johann Kammermaier, deceased, Rolf Schulte