Granted Patent
Utility
US 4,458,865 · App. 06/441,479
Nose-torquer electro-impulse deicing systems
Inventor:
Paul E. Sandorff
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Nov 15, 1982
Inventor
Paul E. Sandorff
Assignee (at issue)
Lockheed Corporation
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.