Patents by Inventor John Van Dyck

John Van Dyck 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: 4815869
    Abstract: A method of printing multi-color images using a printer 12 having the capacity to print only one color at a time, a plurality of interchangeable colored ribbons 14 for use with said printer 12, a computer 10, and a computer monitor 11, having a list of steps 101 of displaying on the computer monitor all that is to be printed, and then removing from the display all that is to be printed that is not black and selectively identifying each single color from a plurality of colors displayed with the desired multi-color printed image displayed upon the screen. The operator then installs into the printer 12 a colored ribbon 14 for printing the selected color and prints the selected color. After which the paper 13 is reset and the operator repeats the procedure for each of the plurality of colors contained within the desired multi-colored printed image.
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: March 28, 1989
    Inventor: John Van Dyck