Patents by Inventor Randall Wu

Randall Wu 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).

  • Process for manufacture of tubular film
    Patent number: 4447387
    Abstract: A process for forming a blown film from a thermoplastic resin wherein a source of cooling air is induced to flow from the atmosphere in contact with another source of pressurized cooling air whereby increased production rates can be obtained.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: May 8, 1984
    Assignee: Union Carbide Corporation
    Inventors: Theodore R. Blakeslee, III, Randall Wu