Patents by Inventor Jon F. Gray

Jon F. Gray 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: 4488258
    Abstract: The control program for a programmable controller is entered and edited through a program terminal which displays the control program symbolically as a ladder diagram. Comment instructions are entered into the control program and associated comment data is entered and stored. The comment data is subsequently displayed by the program terminal along with the ladder diagram rung containing the comment instruction.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: December 11, 1984
    Assignee: Allen-Bradley
    Inventors: Odo J. Struger, Jon F. Gray