Granted Patent
Utility
US 6,602,059 · App. 09/915,068
Electric submersible pump assembly with tube seal section
Inventors:
Alan Howell, Greg Wilson
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jul 25, 2001
Inventors
Alan Howell
Greg Wilson
Assignee (at issue)
Wood Group ESP, 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.