Patents by Inventor Robert Luska

Robert Luska 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).

  • Extension cord safety box
    Patent number: 4749363
    Abstract: A junction box for extension cords which serves to secure the point at which extension cords are joined together in order to prevent access to such juncture and protect against an electric shock.
    Type: Grant
    Filed: March 12, 1987
    Date of Patent: June 7, 1988
    Inventors: Robert Luska, David Truax