Patents by Inventor Neil Kirschbaum

Neil Kirschbaum 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).

  • Speaker cone assembly
    Patent number: 6390232
    Abstract: A speaker cone assembly comprises a felted paper-type cone fabricated of a composite material and a molded surround. The composite cone material contains natural fibers and synthetic fibers, where the synthetic fibers are able to chemically bond to material of the surround, thereby forming an improved bond during the molding procedure by which the surround is formed and attached to the cone. The method of preparing the composite cone material includes formulating and refining the natural fibers, preferably before adding the synthetic fibers.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: May 21, 2002
    Assignee: Communications Products Corporation
    Inventor: Neil Kirschbaum