Patents by Inventor George C. Sing

George C. Sing 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).

  • Hat
    Patent number: D279137
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: June 11, 1985
    Inventor: George C. Sing