Patents by Inventor Dimitri Paraskevas

Dimitri Paraskevas 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: 4192610
    Abstract: At least four beams of linearly polarized light are produced separately at one and the same point of measurement in a single direction of observation at right angles to a unitary sheet of a specimen of photoelastic material in order to determine the state of mechanical stress in the plane of the sheet.
    Type: Grant
    Filed: April 13, 1977
    Date of Patent: March 11, 1980
    Assignee: Centre Technique des Industries Mecaniques
    Inventor: Dimitri Paraskevas