Granted Patent
Utility
US 6,469,271 · App. 09/843,711
Method and apparatus for refurbishing valves
Inventor:
Lennard J. McGoey
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Apr 30, 2001
Inventor
Lennard J. McGoey
Assignee (at issue)
Kinetrics, 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.