Granted Patent
Utility
US 6,273,641 · App. 09/331,028
Protective device
Inventor:
Anders Henrik Bull
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Aug 18, 1999
Inventor
Anders Henrik Bull
Assignee (at issue)
ABB Off-Shore Technology AS
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.