Patents by Inventor Michael A. Kirchubel

Michael A. Kirchubel 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).

  • Article for diagnosis of achlorhydria
    Patent number: 4056609
    Abstract: There is disclosed an article for diagnosis of achlorhydria which includes an agent which is readily detectable when released in the stomach, the agent being enclosed in a fluid-impervious entrapping medium which is degraded in acidic fluids to release the agent.
    Type: Grant
    Filed: January 28, 1976
    Date of Patent: November 1, 1977
    Assignee: Gunn, Kirchubel & Miller
    Inventor: Michael A. Kirchubel