Patents by Inventor Jean-Louis Delastre

Jean-Louis Delastre 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).

  • Straightness measuring device
    Patent number: 5519944
    Abstract: A device for measuring the straightness of a conductive object includes a plurality of capacitive distance sensors which are aligned along an axis of a ruler to be placed on the object. Circuits are provided for indicating the measurements provided by each sensor.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: May 28, 1996
    Assignee: EXA Ingenierie
    Inventor: Jean-Louis Delastre