Patents by Inventor Habib U. Khan

Habib U. Khan 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: 4186493
    Abstract: A straight edge comprising a plurality of longitudinal members that are positioned together in slidably telescoping relationship. At least one longitudinal edge of the members forms a substantially straight edge throughout the telescoping range of the longitudinal members. The extended members preferrably are marked with graduations along the straight edge.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: February 5, 1980
    Inventors: Amir U. Khan, Habib U. Khan, Ahamed A. Amid