Granted Patent
Utility
US 6,691,587 · App. 09/980,465
Actuator
Inventor:
Christopher R. King
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Mar 12, 2002
Inventor
Christopher R. King
Assignee (at issue)
ABB Offshore Systems Limited
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.