Granted Patent
Utility
US 6,693,847 · App. 10/228,119
Buoy for fish finding method and system
Inventor:
David A. Betts
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Aug 26, 2002
Inventor
David A. Betts
Assignee (at issue)
Techsonic Industries, Inc.
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.