Granted Patent
Utility
US 5,666,908 · App. 08/498,340
Animal training device
Inventor:
Ho Yun So
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Jul 5, 1995
Inventor
Ho Yun So
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.