Patents by Inventor Michael William Sowa

Michael William Sowa 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).

  • Compound for pinhole-free rotational casting
    Patent number: 3974114
    Abstract: Salts of fatty acids such as calcium stearate and lithium stearate are added to olefin polymer-based rotational molding compositions to provide rotational moldings with pinhole-free surfaces.
    Type: Grant
    Filed: June 30, 1971
    Date of Patent: August 10, 1976
    Assignee: Union Carbide Corporation
    Inventor: Michael William Sowa