Patents by Inventor Helie De Pourtales

Helie De Pourtales 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).

  • System for joining by interengagement comprising interengaging elements formed by ridges with elastically deformable lips, in particular curvilinear
    Patent number: 5119531
    Abstract: A system of joining by interengagement, especially suitable for fasteners by interengagement, comprising a first joining device conventionally in the form of a tape, provided on a first interengagement face with a plurality of first interengagement elements which are at least partially elastically deformable, and a second joining device likewise conventionally in the form of a tape, provided on a second interengagement face with the plurality of second interengaging elements which are at least partially elastically deformable, wherein the elements are formed with ridges that interengage.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: June 9, 1992
    Inventors: Michel Berger, Helie De Pourtales, Hubert Perrodo, Helie De Noailles