Patents by Inventor Darrell Doherty

Darrell Doherty 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).

  • Track and rail-form slider combinations
    Patent number: 5483897
    Abstract: A track and rail-form slider combination includes a rail-form slider having a top surface, a bottom surface, and sides extending between the top surface and the bottom surface. Four corners are formed where the top surface meets the sides and the bottom surface meets the sides. A track is provided which includes a plurality of roller supports. At least four rollers are secured to each roller support. Each roller engages the rail-form slider solely at one of the corners.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: January 16, 1996
    Assignee: Golden Rod Welding Ltd.
    Inventor: Darrell Doherty