Patents by Inventor Francisco Hidalgo Martin

Francisco Hidalgo Martin 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: 3947023
    Abstract: A TORSO-CENTRIC EXERCISE BOARD consisting of a padded rectangular board with a padded headrest and a removable crossbar in two pieces, extending beyond the borders of the board, which crossbar is assembled by inserting one piece into a metal casing which encloses the other piece and bolting the assembled crossbar into a recessed cut in the board. In the extremeties of the crossbar on each side is a series of orifices, symmetrical and equidistant, for the adjustment of a pair of handgrips which consist of a post on a platen base, which base, when the posts or handgrips are adjusted in the orifices, supports the crossbar above the floor.The board is provided with a handle for carrying and straps on the back for storage of the crossbars and the handgrips.
    Type: Grant
    Filed: August 12, 1974
    Date of Patent: March 30, 1976
    Inventor: Francisco Hidalgo Martin