Granted Patent
Utility
US 6,595,295 · App. 09/921,746
Electric submersible pump assembly
Inventors:
Michael R. Berry, Yasser Khan Bangash
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Aug 3, 2001
Inventors
Michael R. Berry
Yasser Khan Bangash
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.