Granted Patent
Utility
US 4,288,652 · App. 06/021,391
Corrugated outer sheath gas-insulated transmission line
Inventors:
George A. Kemeny, Alan H. Cookson
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Mar 16, 1979
Inventors
George A. Kemeny
Alan H. Cookson
Assignee (at issue)
Westinghouse Electric Company LLC
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.