Granted Patent
Utility
US 6,283,678 · App. 09/490,204
Compliant offshore platform
Inventors:
William Roberson, Cheng-Yo Chen
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Jan 24, 2000
Inventors
William Roberson
Cheng-Yo Chen
Assignee (at issue)
J. Ray McDermott, S.A.
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.