Patents by Inventor Mohammad Hossein Bahramian

Mohammad Hossein Bahramian 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).

  • Three-dimensional puzzle with magnetic and mechanical attachment, particularly for use by people with impaired vision
    Patent number: 5895044
    Abstract: A puzzle includes pieces of different and random shapes and/or sizes, which can occupy only one position in the puzzle and which can be assembled by magnetic forces as well as by co-operating positioning projections and hollows, on the surface of the pieces. Each of the projections and recesses has a unique shape and/or size, so that the invention is particularly suitable for educational and cultural applications, more particularly for use by people with impaired vision.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: April 20, 1999
    Inventor: Mohammad Hossein Bahramian