Granted Patent
Utility
US 4,524,832 · App. 06/556,626
Diverter/BOP system and method for a bottom supported offshore drilling rig
Inventors:
Joseph R. Roche, Gabriel G. Alexander, William L. Carbaugh
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Nov 30, 1983
Inventors
Joseph R. Roche
Gabriel G. Alexander
William L. Carbaugh
Assignee (at issue)
Hydril Company
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.