Patents by Inventor Ronald E. Sobol

Ronald E. Sobol 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).

  • Biodegradable thermally insulated beverage cup
    Patent number: 5542599
    Abstract: Disclosed herein is a beverage cup which is composed essentially of biodegradable paper elements and is thermally insulated to both preserve the thermal state of beverages contained therein and to render the cup comfortable in its use.
    Type: Grant
    Filed: August 7, 1995
    Date of Patent: August 6, 1996
    Inventor: Ronald E. Sobol