Granted Patent
Utility
US 5,362,113 · App. 07/939,135
Spot-welded end fitting for flexible metal piping
Inventor:
Roy W. Thomas
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Sep 2, 1992
Inventor
Roy W. Thomas
Assignee (at issue)
Tru-Flex Metal Hose, LLC
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.