Granted Patent
Utility
US 6,652,401 · App. 10/074,374
Method of tuning a belt drive system
Inventor:
Keming Liu
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Feb 11, 2002
Inventor
Keming Liu
Assignee (at issue)
Gates Corporation
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.