Patents by Inventor Richard C. Carroll

Richard C. Carroll 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: D243332
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: February 8, 1977
    Inventor: Richard C. Carroll