Granted Patent
Utility
US 4,697,769 · App. 06/603,097
Method and apparatus for controlling bound vortices in the vicinity of lifting surfaces
Inventors:
Ron F. Blackwelder, Mohamed Gad-el-Hak, Randy A. Srnsky
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Apr 23, 1984
Inventors
Ron F. Blackwelder
Mohamed Gad-el-Hak
Randy A. Srnsky
Assignee (at issue)
Flow Industries, Ltd.
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.