Granted Patent
Utility
US 5,067,930 · App. 07/631,333
Bicycle sprocket protector
Inventor:
Robert Morales
Patented Case
View Patent ↗
Granted: Nov 26, 1991
Filed: Dec 20, 1990
Inventor
Robert Morales
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.