Granted Patent
Utility
US 6,047,664 · App. 09/080,686
Electronic training leash and collar
Inventor:
Thomas Lyerly
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: May 18, 1998
Inventor
Thomas Lyerly
Assignee (at issue)
Radio Systems Corporation
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.