Patents by Inventor Samuel Nadu

Samuel Nadu 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).

  • Audio visual combination extension level
    Patent number: 6058617
    Abstract: An electronic level is provided including a central member having a rectilinear configuration and an electronic level indicator mounted thereon.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: May 9, 2000
    Inventor: Samuel Nadu