Granted Patent
Utility
US 5,499,558 · App. 08/250,035
Fluid operated tool for elongating and relaxing a threaded connector
Inventor:
John K. Junkers
Patented Case
View Patent ↗
Granted: Mar 19, 1996
Filed: May 27, 1994
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.