Granted Patent
Utility
US 6,222,506 · App. 09/533,339
Transmitting and receiving antenna for animal training devices
Inventor:
Ho Yun So
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Mar 23, 2000
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.