Patents by Inventor Dennis P. Blair

Dennis P. Blair 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: 4919285
    Abstract: A tamper evident closure for use on a container neck, the closure including a cap and separately formed security device, connector means for attachment of the security device to the cap, the security device including anchor means disposed to catch beneath a shoulder as provided on the container neck when the cap is attached to the container neck, the connector means comprising a frangible joint adapted to rupture during removal of the cap from the container neck whereby to enable the security device to break away from the cap, the anchor means being engageable with the shoulder of the container for retaining the security device on the container neck when the cap is removed therefrom, the security device thereby evidencing that the container has been opened; and a method of manufacturing such tamper evident closure.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: April 24, 1990
    Assignee: Thoroughbred Plastics Corp.
    Inventors: William M. Roof, Eric J. Roberts, Dennis P. Blair
  • Patent number: 4600131
    Abstract: A pourout fitment/closure that may be applied as a single unit to a container for liquids, includes a plurality of areas providing a liquid tight seal as torqued onto a container, and wherein, on removal of the closure, the fitment regulates and provides a smooth rate of flow of liquid as it is dispensed therethrough from the container.
    Type: Grant
    Filed: November 30, 1983
    Date of Patent: July 15, 1986
    Assignee: Thoroughbred Plastics Corp.
    Inventors: William M. Roof, Dennis P. Blair