Patents by Inventor Michael J. Peterson

Michael J. Peterson 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).

  • Resilient leveler and shock absorber for sport floor
    Patent number: 4879857
    Abstract: For a sports or athletic floor having an upper playing surface on a subfloor over a solid base such as a cement slab or the like, the subfloor is supported only by a series of individual resilient shock-absorbing members uniformly located between the subfloor and the solid base to provide the requisite air space under the subfloor and to provide shock-absorbing and levelling of the sports floor.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: November 14, 1989
    Assignee: Sport Floor Design, Inc.
    Inventors: David L. Peterson, Michael J. Peterson