Granted Patent
Utility
US 6,647,856 · App. 09/881,319
Turbine compressor armor shield
Inventor:
Murray L. Neal
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jun 13, 2001
Inventor
Murray L. Neal
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.