Patents by Inventor Tore Gottfrid Hesselgren

Tore Gottfrid Hesselgren 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).

  • Fixture for precision positioning of work pieces
    Patent number: 4012030
    Abstract: A fixture for holding of work pieces on a work table of a machine tool and for precision positioning of the work pieces in rotation and in translation. The fixture is held by springs pressing it against the work table and is thus floating on the work table but is adjustable in two directions relative to the table and rotatable relative thereto.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: March 15, 1977
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventor: Tore Gottfrid Hesselgren