Patents by Inventor Larry T. Ryder

Larry T. Ryder 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: 4657870
    Abstract: An optical system is provided for viewing a sterilization indicator including a receptacle, the receptacle having a translucent portion and being carried interiorally of an incubator. The optical system comprises a light source, and first light transmission structure located intermediate the light source and the receptacle for redirecting light from the light source through the translucent portion of the receptacle. A viewing window is located in an external surface of said incubator; and second light transmission structure is located on a side of the receptacle generally opposite the first light transmission means for redirecting light transmitted through the translucent portion of said receptacle to the viewing window.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: April 14, 1987
    Assignee: Ryder International Corporation
    Inventors: Francis E. Ryder, Larry T. Ryder