Granted Patent
Utility
US 4,616,700 · App. 06/652,175
Automatic well test system and method
Inventors:
John R. Wood, Margaret M. Siska, Patrick A. Raymond
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Sep 18, 1984
Inventors
John R. Wood
Margaret M. Siska
Patrick A. Raymond
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.