Patents by Inventor James Douglas Richter

James Douglas Richter 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: 3989937
    Abstract: An improved process and apparatus are disclosed wherein the resin solution treatment of a web on a material treater is conducted by interactively adjusting the roll gaps of a reverse roll applicator in conjunction with applicator roll speed changes.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: November 2, 1976
    Assignee: Formica Corporation
    Inventors: Charles Robert Fay, James Douglas Richter