Granted Patent
Utility
US 6,474,422 · App. 09/731,294
Method for controlling a well in a subsea mudlift drilling system
Inventors:
Jerome Schubert, Carmon H. Alexander, Hans C. Juvkam-Wold, Curtis E. Weddle, III, Jonggeun Choe
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Dec 6, 2000
Inventors
Jerome Schubert
Carmon H. Alexander
Hans C. Juvkam-Wold
Curtis E. Weddle, III
Jonggeun Choe
Assignees (at issue)
THE TEXAS A&M UNIVERSITY SYSTEM
Conoco 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.