Granted Patent
Utility
US 6,168,210 · App. 09/100,221
Pipe coupling
Inventor:
Edwin A. Bird
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Jun 19, 1998
Inventor
Edwin A. Bird
Assignee (at issue)
M&FC Holding, 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.