Granted Patent
Utility
US 5,044,580 · App. 07/520,821
Flexible closing device for a wing leading edge
Inventor:
Anthony Williams
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: May 9, 1990
Inventor
Anthony 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.