Patents by Inventor Douglas Allen Kalnbach

Douglas Allen Kalnbach 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).

  • Human generated power source
    Publication number: 20020147079
    Abstract: Exercise with a purpose, lose weight, stay healthy and produce your own electricity for your own use.
    Type: Application
    Filed: March 21, 2001
    Publication date: October 10, 2002
    Inventor: Douglas Allen Kalnbach