Granted Patent
Utility
US 4,629,225 · App. 06/764,095
Pipe joint for corrosion resistant alloys
Inventor:
James H. Rowsey
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Aug 9, 1985
Inventor
James H. Rowsey
Assignee (at issue)
INCO Alloys International, Inc.
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.