Granted Patent
Utility
US 6,644,913 · App. 10/082,358
Turbine motor with noise reduction system
Inventor:
Paul Michael Smith
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Feb 26, 2002
Inventor
Paul Michael Smith
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.