Granted Patent
Utility
US 6,609,988 · App. 09/864,536
Asymmetric damping tensioner belt drive system
Inventors:
Keming Liu, Alexander Serkh
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: May 24, 2001
Inventors
Keming Liu
Alexander Serkh
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.