Granted Patent
Utility
US 6,705,414 · App. 10/081,367
Tubular transfer system
Inventors:
Michael Lee Simpson, Colin Davidson
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Feb 22, 2002
Inventors
Michael Lee Simpson
Colin Davidson
Assignee (at issue)
GlobalSantaFe Corporation
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.