Granted Patent
Utility
US 4,282,589 · App. 04/153,780
Correlation ranging
Inventors:
Samuel G. Evetts, John D. Lawson, William D. Penn
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Nov 16, 1961
Inventors
Samuel G. Evetts
John D. Lawson
William D. Penn
Assignee (at issue)
Texas Instruments Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.