Patents by Inventor Alfredo O. deAngelis

Alfredo O. deAngelis 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 of three-dimensional rapid prototyping through controlled layerwise deposition/extraction and apparatus therefor
    Patent number: 5398193
    Abstract: A method of rapid prototyping through controlled layerwise deposition and extraction involving the precision control of material subtractive or removal processes in conjunction with material additive processes wherein each layer is formed by selectively depositing and removing portions of the layers in accordance with corresponding software slices of a computer model of the prototype part, and with complementary support material included in the layers and ultimately removed when the complete part has been fabricated.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: March 14, 1995
    Inventor: Alfredo O. deAngelis