Patents by Inventor Benjamin Kohli

Benjamin Kohli 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: 4406279
    Abstract: Apparatus for stretching sheets of synthetic material across rigid frames, such as those used in sunray captors, are disclosed.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: September 27, 1983
    Assignee: Ener-Nat SA
    Inventor: Benjamin Kohli