Patents by Inventor Edward P. Grenda

Edward P. Grenda 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).

  • Apparatus of fabricating 3 dimensional objects by means of electrophotography, ionography or a similar process
    Patent number: 6206672
    Abstract: Freeform fabrication apparatus for rapid prototyping. In one embodiment, the apparatus includes ion-generating equipment for sequentially creating latent ion images of layers of an object to be fabricated. Developing apparatus is provided for adhering at least one object building substance to the sequential latent ion images to create a series of laminae. Thereafter, the series of laminae are assembled to fabricate the object.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: March 27, 2001
    Inventor: Edward P. Grenda