Patents by Inventor Michael John Rufenacht

Michael John Rufenacht 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).

  • Self-concealing rebar chair
    Patent number: 11098487
    Abstract: A rebar chair with a gravel particle affixed to each distal tip of the chair for providing a concealing offset between each distal tip and a support surface.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: August 24, 2021
    Assignee: Molin Concrete Products Company
    Inventor: Michael John Rufenacht