Patents by Inventor Jeffrey R. Whitbey

Jeffrey R. Whitbey 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: 5209162
    Abstract: Additional Color Density Method is a process utilizing, but not limited to, an additional plate of each of the 4 standard process colors; magenta, cyan, yellow, and black, whereas the first plate of each color is the same as conventional 4-color plates and, whereas the second plate of each color is an Additional Color Density Method utilized to produce the difference between a conventional original density-to-reproduction density gradation curve and a more desirable enhanced original density-to-redirection density curve, whereas the 8 colors of the combination 4-color process with Additional Color Density Method reproduces an image that offers the additional contrast of high density maximum with a gentle control throughout the gradation curve that is smooth and void of harsh contrast changes.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: May 11, 1993
    Inventor: Jeffrey R. Whitbey