Patents by Inventor Charles S. Bryk

Charles S. Bryk 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: D248527
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: July 18, 1978
    Assignee: Texasgulf Inc.
    Inventor: Charles S. Bryk
  • Patent number: D268011
    Type: Grant
    Filed: October 9, 1980
    Date of Patent: February 22, 1983
    Assignee: Texasgulf Inc.
    Inventors: Charles S. Bryk, Paul C. Batto