Patents by Inventor Walter G. Hahn

Walter G. Hahn 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).

  • Detachable bicycle training push handle
    Publication number: 20040040406
    Abstract: A tube with a handle that attaches and detaches from a toddlers two wheel bicycle fitted with training wheels.
    Type: Application
    Filed: August 30, 2002
    Publication date: March 4, 2004
    Inventor: Walter G. Hahn