Granted Patent
Utility
US 6,595,288 · App. 10/052,855
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
Inventors:
Donald E. Mosing, Samuel P. Hawkins, III, David L. Sipos, Keith T. Lutgring, Burney J. Latiolais, Jr.
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jan 15, 2002
Inventors
Donald E. Mosing
Samuel P. Hawkins, III
David L. Sipos
Keith T. Lutgring
Burney J. Latiolais, Jr.
Assignee (at issue)
FRANK'S INTERNATIONAL, LLC
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.