Patents by Inventor Norman L. Greenman

Norman L. Greenman 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).

  • Method of making microwave circuit package
    Patent number: 5832598
    Abstract: A low cost microwave circuit package having high performance characteristics is disclosed. The package operates in the frequency range up to 90 GHz while requiring less space on the printed circuit board. Space savings is provided by small components and the leadless design of the package. Taking the place of leads is a ball grid array and RF ports. An unlimited number of layout designs are possible within an ?s! matrix close to ##EQU1## within the operating frequency band of the package, for any pair of signal transmission ports.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: November 10, 1998
    Assignee: Circuit Components Incorporated
    Inventors: Norman L. Greenman, Jorge M. Hernandez, M. P. Ramachandra Panicker
  • Fiber reinforced rubber gasket material
    Patent number: 4423109
    Abstract: An improved fiber reinforced material for use in the manufacture of gaskets is produced by impregnating a nonwoven fabric with an aqueous dispersion of a rubber and filler. The water is then evaporated out of the impregnated fabric. The final product is formed by curing the rubber under heat and pressure.
    Type: Grant
    Filed: October 2, 1981
    Date of Patent: December 27, 1983
    Assignee: Rogers Corporation
    Inventors: Norman L. Greenman, Richard C. Berry, Douglas H. Tracy, Bruce M. Arnio, Michael S. Lunt, Jeffrey B. Otto