Patents by Inventor John R. Balzer

John R. Balzer 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: 7819832
    Abstract: An ankle-foot orthotic is provide for assisting persons having lower extremity weakness including weak dorsiflexor and plantar flexor muscle groups. A combination of flexible and stiff polypropylene and polyethylene materials are used to assist in the transfer of energy along the components of the ankle-foot orthotic to mimic normal gait.
    Type: Grant
    Filed: March 31, 2007
    Date of Patent: October 26, 2010
    Inventor: John R. Balzer
  • Publication number: 20080243042
    Abstract: An ankle-foot orthotic is provide for assisting persons having lower extremity weakness including weak dorsiflexor and plantar flexor muscle groups. A combination of flexible and stiff polypropylene and polyethylene materials are used to assist in the transfer of energy along the components of the ankle-foot orthotic to mimic normal gait.
    Type: Application
    Filed: March 31, 2007
    Publication date: October 2, 2008
    Inventor: John R. Balzer