Patents by Inventor Margaret N. Bright

Margaret N. Bright 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: 4426346
    Abstract: Biaxially-oriented film comprising a layer of solid thermoplastic methyl styrene polymer, said polymer having at least 90 percent repeating units of 4-methylstyrene.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: January 17, 1984
    Assignee: Mobil Oil Corporation
    Inventors: S. Christine Ong, Margaret N. Bright
  • Patent number: 4347344
    Abstract: Biaxially-oriented film comprising a layer of solid thermoplastic methyl styrene polymer, said polymer having at least 90 percent repeating units of 4-methyl-styrene.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: August 31, 1982
    Assignee: Mobil Oil Corporation
    Inventors: S. Christine Ong, Margaret N. Bright