Granted Patent
Utility
US 4,892,149 · App. 07/217,376
Method of securing a tubular member within an annular well member, the combined well structure and the tool
Inventors:
Larry M. Hoes, Thomas G. Cassity, Steven D. Gullion
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Jul 11, 1988
Inventors
Larry M. Hoes
Thomas G. Cassity
Steven D. Gullion
Assignee (at issue)
Cameron Iron Works USA, 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.