Granted Patent
Utility
US 5,539,970 · App. 08/327,429
Method of and device for elongating and relaxing a stud
Inventor:
John K. Junkers
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Oct 21, 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.