Granted Patent
Utility
US 5,943,913 · App. 08/980,895
Rotatable apparatus having a stress dissipation structure
Inventor:
Paul J. Fenelon
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Dec 1, 1997
Inventor
Paul J. Fenelon
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.