Granted Patent
Utility
US 6,487,900 · App. 09/561,281
Method of tire bead flange profiling
Inventor:
Ching-Chih Lee
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Apr 28, 2000
Inventor
Ching-Chih Lee
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.