Granted Patent
Utility
US 6,474,269 · App. 09/955,460
Animal training apparatus having a receiving antenna and method of controlling the apparatus
Inventor:
Ho Yun So
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Sep 18, 2001
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.