Granted Patent
Utility
US 4,880,025 · App. 07/346,245
BOP control system and methods for using same
Inventors:
James M. McMahan, Jr., Roland George Harper, Jr.
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: May 1, 1989
Inventors
James M. McMahan, Jr.
Roland George Harper, Jr.
Assignee (at issue)
Baroid Technology, 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.