Granted Patent
Utility
US 5,328,213 · App. 07/986,791
Adjustable pipe fitting
Inventor:
James T. Barth
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Dec 8, 1992
Inventor
James T. Barth
Assignee (at issue)
Eljer Industries
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.