Granted Patent
Utility
US 6,554,541 · App. 09/936,159
Method and device adapted for use in the placing of a suction anchor with an attached anchor chain or similar on the ocean bed
Inventor:
Pål Espen Antonsen
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Mar 5, 2002
Inventor
Pål Espen Antonsen
Assignee (at issue)
Halliburton Energy 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.