Granted Patent
Utility
US 4,809,553 · App. 07/074,357
Flutter exciter
Inventor:
Wilmer H. Reed, III
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Jul 16, 1987
Inventor
Wilmer H. Reed, III
Assignee (at issue)
DYNAMIC ENGINEERING 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.