Granted Patent
Utility
US 5,538,379 · App. 08/388,746
Mechanical tensioner for and method of elongating and relaxing a stud and the like
Inventor:
John K. Junkers
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Feb 15, 1995
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.