Granted Patent
Utility
US 6,098,501 · App. 09/216,831
Wrench for hexagonal nuts
Inventor:
Erik Sundstrom
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Dec 21, 1998
Inventor
Erik Sundstrom
Assignee (at issue)
SANDVIK LTD
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.