Granted Patent
Utility
US 5,332,037 · App. 07/976,602
Squeeze cementing method for wells
Inventors:
Joseph H. Schmidt, Lamar L. Gantt, William H. Smalstig
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Nov 16, 1992
Inventors
Joseph H. Schmidt
Lamar L. Gantt
William H. Smalstig
Assignee (at issue)
Atlantic Richfield 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.