Granted Patent
Utility
US 6,427,559 · App. 09/862,805
Universal power tool
Inventor:
John K. Junkers
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: May 22, 2001
Inventor
John K. Junkers
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.