Granted Patent
Utility
US 6,539,778 · App. 09/892,314
Subsea vehicle assisted pipeline commissioning method
Inventors:
David M. Tucker, Charles R. Yemington
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Jun 26, 2001
Inventors
David M. Tucker
Charles R. Yemington
Assignee (at issue)
Valkyrie Commissioning Services Inc.
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.