Patents by Inventor Earl Lyons

Earl Lyons 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: 5178591
    Abstract: A stair stepper device having first and second step plates pivotally mounted relative to a central post includes a handlebar rod mounted to an upper distal end of the central post, with a first post including clamp members permitting selective securement to the handlebar post. The first post includes a second post orthogonally mounted to the first post, with a third post orthogonally oriented relative to the second post and parallel to the first post. A plurality of hook members selectively mount springs, pulleys or elastomeric loops to permit exercise of an individual's arms in association with the leg members. The apparatus is arranged to further include further resistant members to permit varied exercise relative to the stair stepper device.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: January 12, 1993
    Inventor: Earl Lyons