Granted Patent
Utility
US 6,500,271 · App. 09/631,120
Pipeline pig
Inventors:
Darren S Moore, Gerry Moore, Jamie Magnusson, Chris Boase
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Aug 2, 2000
Inventors
Darren S Moore
Gerry Moore
Jamie Magnusson
Chris Boase
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.