Granted Patent
Utility
US 5,380,049 · App. 07/930,536
Pipe coupling
Inventor:
Mark Smowton
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Aug 19, 1992
Inventor
Mark Smowton
Assignee (at issue)
Ford Motor Company
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.