Granted Patent
Utility
US 4,553,721 · App. 06/520,796
Spoiler device for attachment to a leading edge slat
Inventor:
Bernard J. Jorgensen
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Aug 5, 1983
Inventor
Bernard J. Jorgensen
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.