Patents by Inventor George L. Ruth

George L. Ruth 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).

  • Window structure including a sheet of polymeric film
    Patent number: 4319623
    Abstract: A window structure having a film supported optically flat between panes of glass, with the film secured at two opposing ends by a strip of metal grasping the film. The strip is held in a retainer resiliently secured in the glazing channel of the window. The glazing frame also includes side pieces and corner keys which support the opposed channels in spaced fixed relationship.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: March 16, 1982
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gerald P. Krogseng, Joseph G. Mandell, George L. Ruth