Patents by Inventor Ralph J. Gelinas

Ralph J. Gelinas 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: 4105346
    Abstract: A locking system which enables a pair of telescoping members to be slidably movable with respect to each other and locked in a pre-determined position. The outer telescoping leg is generally of cylindrically configuration and has an aperture therein. A sleeve, also having an aperture formed therein, is rotatable about the outer surface of the outer leg. A brake lug is positioned in the leg aperture and the sleeve aperture is of tapered thickness about the leg axes. Rotation of the sleeve about the outer leg causes the brake lug to press against the outer surface of the inner leg and prevents the legs from moving along the leg axes.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: August 8, 1978
    Assignees: Grayson, Gross, Friedman, Phillips and Rasch, Singer, Lewak, Greenbaum and Goldstein
    Inventor: Ralph J. Gelinas
  • Patent number: D310733
    Type: Grant
    Filed: February 10, 1988
    Date of Patent: September 18, 1990
    Assignee: Triune Research Corporation
    Inventor: Ralph J. Gelinas
  • Patent number: D313283
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: December 25, 1990
    Assignee: Triune Research Corporation
    Inventor: Ralph J. Gelinas
  • Patent number: D357342
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: April 18, 1995
    Inventors: Ralph J. Gelinas, Tom V. Gelinas