Patents by Inventor Richard Helinski

Richard Helinski 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 and means for constructing three-dimensional articles by particle deposition
    Patent number: 5136515
    Abstract: A three dimensional article is produced layer by layer by jetting droplets of at least two different hardenable materials, as appropriate, into the various layers, the first material forming the article itself, and the second material forming a support for the article as necessary. The second material is thereafter separated from the first material, e.g., by heat, to form the desired article.
    Type: Grant
    Filed: November 7, 1989
    Date of Patent: August 4, 1992
    Inventor: Richard Helinski