Patents by Inventor Robert B. Tanaka

Robert B. Tanaka 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).

  • Security device
    Patent number: 4730734
    Abstract: A security device for storing and retaining of products or product packing devices such as pallets, crates and the like having a clamping mechanism slidably mounted on and drivable with respect to a vertical column, the clamping mechanism including one or more pivotally mounted arms carrying one or more clamping pads adapted to clamp a stack of products or product packing devices between a pad and base member of the device.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: March 15, 1988
    Inventors: Ronald C. Dwelley, Dale Matsuda, Robert B. Tanaka