Patents by Inventor David A. Daraskevich

David A. Daraskevich 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 printing a graphic having uniform ink density on an emulsion coated printing screen
    Patent number: 5247315
    Abstract: A method for printing a graphic having uniform ink density on selected pixel locations of a printing screen coated with a light sensitive emulsion is provided. According to one embodiment of the invention, only some of the pixel locations are printed as required to form a desired image during the first pass of a printhead across a strip of the emulsion coated screen. The remaining pixel locations are printed as required during a second pass of the printhead across the strip. According to a second embodiment of the invention, a portion of the pixel locations in each strip are re-printed on the next succeeding pass of the printhead across the screen.
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: September 21, 1993
    Assignee: Gerber Scientific Products, Inc.
    Inventors: Brian D. Phelan, Mark E. Guckin, David A. Daraskevich, Jules P. Prockter, Russell F. Croft