Granted Patent
Utility
US 6,609,573 · App. 09/449,294
Method and apparatus for a horizontal pipe handling system on a self-elevating jack-up drilling unit
Inventor:
Howard Day
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Nov 24, 1999
Inventor
Howard Day
Assignee (at issue)
Friede & Goldman, Ltd.
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.