Granted Patent
Utility
US 4,838,503 · App. 07/193,786
Mechanism for supporting and extending a high lift device for aircraft wings
Inventor:
George H. Williams
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: May 13, 1988
Inventor
George H. Williams
Assignee (at issue)
British Aerospace Plc
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.