Patents by Inventor Robert G. Riess

Robert G. Riess 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).

  • Carrying and storage case
    Patent number: 4131227
    Abstract: A carrying and storage case for audio visual teaching aids fabricated from three interlocking sheets of corrugated cardboard or the like spaced and folded to resemble a house. One of the cardboard sheets forms the outside structure of the house, including the walls, roof and floor, the second sheet forms a chimney for the house, and the third sheet serves as a carrying handle, dividing wall and reinforcing structure for the carrying case.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: December 26, 1978
    Assignee: Bell & Howell Company
    Inventors: Donna J. Patton, Robert G. Riess