Granted Patent
Utility
US 5,913,640 · App. 08/955,772
Weight drop pocket for SCUBA divers
Inventor:
R. Blake Bortner
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Oct 22, 1997
Inventor
R. Blake Bortner
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.