Patents by Inventor Mark D. Remington

Mark D. Remington 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).

  • Retractable spike system for shoes
    Patent number: 5732482
    Abstract: A shoe is provided having one or more selectively extendable spikes mounted to the sole. The sole contains one or more spike housings, each retaining a spring-biased spike selectively movable between a retracted or extended position with respect to the housing as desired. A slide member disposed in the sole of the shoe is manually operated to extend or retract the spikes.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: March 31, 1998
    Assignee: Retractable Spike System, L.L.C.
    Inventors: Mark D. Remington, David H. Hodge, Ronald G. Schafer