Granted Patent
Utility
US 6,374,706 · App. 09/768,551
Sucker rod tool
Inventor:
Frederic M. Newman
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Jan 25, 2001
Inventor
Frederic M. Newman
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.