Patents by Inventor Hamid Salim

Hamid Salim 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: 4416309
    Abstract: An indexed pipe made of Polyvinyl Chloride, Cast or Ductile Iron, Clay, or Asbestos Cement that is buried in the ground or totally enclosed and requires access. The indexed pipe is marked in any accepted system of measurement, such as feet or meters, which would reveal pipe end locations during an excavation.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: November 22, 1983
    Inventor: Hamid Salim