Patents by Inventor John L. Robison

John L. Robison 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).

  • Insulated beverage can holder
    Patent number: D257314
    Type: Grant
    Filed: September 29, 1978
    Date of Patent: October 14, 1980
    Inventors: John L. Robison, Oliver D. Abrahamson