Patents by Inventor Jean Cospen

Jean Cospen 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).

  • Method for hermetically sealing a rigid panel
    Patent number: 3963814
    Abstract: This invention is addressed to a new and improved method for sealing an opening in a rigid panel in which first and second sealing members are inserted into the opening in the rigid panel, and subjected to a first lateral mechanical tension, the members are then heated, preferably by ultrasonic heating means and then the members are subjected to a second mechanical tension.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: June 15, 1976
    Assignee: Cebal GP
    Inventors: Jean Cospen, Bernard Baumann