Patents by Inventor Jeffrey A. Ascherman

Jeffrey A. Ascherman 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: 6328745
    Abstract: An expander for lengthening a patient's palate comprises two substantially rigid sections, each of which sections has one or more downwardly extending members capable of being affixed to a surface; and a threading system attached to each section, the threading system being capable of predictably adjusting the spacing between the rigid sections. The expander is useful for lengthening a patient's palate, for example, for the treatment of velopharyngeal incompetence.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: December 11, 2001
    Assignee: The Trustees of Columbia University in the City of New York
    Inventor: Jeffrey A. Ascherman