Granted Patent
Utility
US 6,773,041 · App. 10/172,634
Beveled attachment for coupling pipes
Inventor:
Steven K. Wolff
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Jun 14, 2002
Inventor
Steven K. Wolff
Assignee (at issue)
Patrick Wolff
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.