Patents by Inventor Nicola J. Grupido

Nicola J. Grupido 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).

  • Multiple wavelength X-ray dispersive devices and method of making the devices
    Patent number: 4675889
    Abstract: Multiple wavelength X-ray dispersive devices and method of forming them are provided which reflect at least two wavelengths of interest at the same or different angles. The devices include a plurality of layer sets formed on one another, each set having at least two units. At least one unit includes at least two layers having a first d spacing and the second unit has at least one layer with a second d spacing. A plurality of one or both of the units can also be provided in each layer set.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: June 23, 1987
    Assignee: Ovonic Synthetic Materials Company, Inc.
    Inventors: James L. Wood, Nicola J. Grupido, Keith L. Hart, John E. Keem