Granted Patent
Utility
US 5,156,549 · App. 07/610,952
Reflex training device and method
Inventor:
Michael A. Wehrell
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Nov 9, 1990
Inventor
Michael A. Wehrell
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.