Granted Patent
Utility
US 6,810,571 · App. 10/625,575
Method of tightening and loosening an object
Inventor:
John K. Junkers
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Jul 23, 2003
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.