Patents by Inventor John Felegi

John Felegi 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).

  • Composite fiberboard and process of manufacture
    Patent number: 4963603
    Abstract: A novel composite board of mineral wool, perlite, and cellulosic newsprint fibers for use primarily as a ceiling tile is disclosed. The board displays virtually no sag (less than 200 mils) when exposed to high temperature and high humidity while displaying quite acceptable strength. The board, or product without mineral wool or perlite, is manufactured by selective deposition of a latex composition on the cellulosic newsprint fibers.
    Type: Grant
    Filed: November 15, 1989
    Date of Patent: October 16, 1990
    Assignee: Armstrong World Industries, Inc.
    Inventors: John Felegi, Jr., Kenneth P. Kehrer