Patents by Inventor James A. McDevitt

James A. McDevitt 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: 3936265
    Abstract: Continuous thermoplastic sheeting is manufactured by extruding thermoplastic material from a circular die to form seamless thin walled tubing. This hot, seamless tube is pressed together between a water cooled draw roll and a water cooled elastomerically coated roll to form sheet material which is transparent and without the speckled finish caused by included air.
    Type: Grant
    Filed: August 15, 1974
    Date of Patent: February 3, 1976
    Assignee: Continental Can Company, Inc.
    Inventor: James A. McDevitt