Patents by Inventor Paul B. Mitchell

Paul B. Mitchell 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: 5137185
    Abstract: A dispenser for materials in solidified stick form has an opening in the base of the dispenser through which said material in a heated liquid form can be introduced when the dispenser is in an inverted position for casting of the stick material directly within the dispenser, the opening being closed by a manually-operable knob after casting of the stick material, the knob being operative to actuate a threaded mechanism within the dispenser for extending the cast stick material through an opposite open end of the dispenser.
    Type: Grant
    Filed: February 12, 1991
    Date of Patent: August 11, 1992
    Assignee: Tubepack Limited
    Inventor: Paul B. Mitchell
  • Patent number: 4391665
    Abstract: A method of making pile material comprising pile strands or the like arranged in side-by-side relation, and a backing member bonded to the strands, the method comprising the steps of providing a bundle of pile strands, the strands extending in side-by-side relation and being held in pressurized engagement with each other by a wrapper surrounding the strands, cutting the bundle including the wrapper into slices, and positioning each slice in a form having a wall surrounding the slice and spaced outwardly thereof. The wrapper is removed from the slice, thereby allowing the pile strands to expand laterally outwardly into engagement with the wall of the form for being held by the form. A backing member is thereafter bonded to the pile strands on one face of the slice.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: July 5, 1983
    Inventors: Paul B. Mitchell, Jr., Paul B. Mitchell