Patents by Inventor James H. Bates

James H. Bates 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).

  • Marker screw cap
    Patent number: 5003735
    Abstract: A device for locating a marker screw threadably engaged with a cover in duct means imbedded in a poured concrete wall construction including resilient fibers that are attached to the marker screw at one end and project beyond the outer wall surface but resiliently yield upon engaging with a finishing tool thus facilitating location of said marker screw after the wall has been poured.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: April 2, 1991
    Inventor: James H. Bates