Patents by Inventor Richard Dale Mitchell

Richard Dale Mitchell 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).

  • Numerical control system for finishing machines
    Patent number: 4071896
    Abstract: A method and apparatus for automatically positioning the various appurtenances of a Printer-Slotter-Folder-Gluer to form box blanks of various dimensional characteristics. The position of each appurtenance of the system is preselected by a binary numbering input representing each absolute position. The binary input is selected by thumbwheel switches employing binary coded decimal input. The input data is stored and can be retrieved and utilized to position the appurtenances for a blank of specific dimensional characteristics in response to a production order code.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: January 31, 1978
    Assignee: Koppers Company, Inc.
    Inventors: David Harrison Boyer, III, Richard Dale Mitchell