Patents by Inventor Roy H. Rengstorff

Roy H. Rengstorff 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: 4391498
    Abstract: A spectacle frame and method for providing eye protection during extreme physical activity through use of a spectacle frame comprising in combination rim means defining a pair of side-by-side viewing windows and having a recessed contoured bridge therebetween, temple yoke support means pivotally mounted to said rim means above and below each viewing window, and an expandable strap securing means connected to said temple yokes by means of slidable connector means which allow slidable adjustment of the angle of tilt of said frame relative to a wearer's face. In the preferred spectacle, the frame has a biconcave recessed bridge and the temple yokes are apertured to detachably mount on said rim means by snapping over temple pivot posts projecting upwardly and downwardly on said frame rim.
    Type: Grant
    Filed: July 20, 1979
    Date of Patent: July 5, 1983
    Inventor: Roy H. Rengstorff