Patents by Inventor Herrick B. Littlefield

Herrick B. Littlefield 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: 4194851
    Abstract: A universal hub for interconnecting the structural members of a geodesic type building consists of a pair of identical hub members, having inner and outer faces, which are positioned in superimposed relation to each other to define a slot therebetween which receives the ends of the geodesic dome's supporting struts. Connecting means secure the two hub members or discs together to clamp the ends of the struts therebetween and hold them in a relatively fixed position.
    Type: Grant
    Filed: November 10, 1977
    Date of Patent: March 25, 1980
    Assignee: Polyproducts Corp.
    Inventor: Herrick B. Littlefield
  • Patent number: 4076151
    Abstract: A combined sealing and pouring spout assembly for use on containers for liquid wherein the assembly includes a neck or carrier plug adapted to be secured within an orifice in the liquid container and a spout member telescopically received therein. A screw cap closure is provided to be threadably engaged on the exposed end of the spout member and initially the screw cap member is sealed to the carrier plug. In use, after the seal has been removed the screw cap closure is removed and the spout extended to permit pouring of the liquid in the liquid container.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: February 28, 1978
    Assignee: Polyproducts Corporation
    Inventor: Herrick B. Littlefield