Patents by Inventor Frederick C. Prout

Frederick C. Prout 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: 5286432
    Abstract: A method of fabricating micron-range holes in elastic barrier materials which involves securing an elastic barrier material to a restraining ring and removing a limited portion of the elastic barrier material so as to form a hole having a diameter of less than 0.5 to 10 .mu.m. The portion of the elastic barrier material which is removed may be removed by a drilling, punching or clipping process.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: February 15, 1994
    Inventors: Robert Schmukler, Richard B. Beard, Frederick C. Prout