Patents by Inventor Frank Itano

Frank Itano 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).

  • Patent number: 4466507
    Abstract: A fire escape having a roller chain carried in a slotted vertically extending tube and driven to cause controlled downwardly movement in the tube. The roller chain carries ears which support molded plastic balls connected through the tube's slot to harnesses for escaping persons. The controlled movement of the chain allows even an unconscious person to be lowered from the top of a building safely to the ground.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: August 21, 1984
    Inventor: Frank Itano