Granted Patent
Utility
US 5,637,942 · App. 08/324,583
Aerodynamic drag reduction arrangement for use with high speed rotating elements
Inventor:
Ronald J. Forni
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Oct 18, 1994
Inventor
Ronald J. Forni
Assignee (at issue)
Arthur D. Little, Inc.
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.