Patents by Inventor James Mark Mathis

James Mark Mathis 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: 5819997
    Abstract: An in-line roller skate that includes a boot having a sole plate to which an in-line roller wheel system is attached and further including a shell and a collar mounted for articulation on the boot for securing the boot to the leg and foot, a U-shaped clamping member having a front plate and an arcuate shaped back plate that conforms to the shape of the boot collar, the plates being cojoined by a base member wherein the plates are biased towards each other, the clamping member removably secured to the boot collar by passing over the boot collar at the spine with the back plate placed inside the collar wherein the back plate extends downwardly along the length of the collar to a depth that brings the base member into contact with the collar wherein the base member cooperates with the arcuate shaped back plate to prevent the frame from canting out of parallel with the spine, and the front plate having integral to and extending from it a frame for holding an article.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: October 13, 1998
    Inventors: Ronald J. Mathis, James Mark Mathis, James Mathis