Granted Patent
Utility
US 6,677,283 · App. 09/948,975
Bearing assembly and method and lubrication grease
Inventor:
Ben Xuehai Ni
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Sep 7, 2001
Inventor
Ben Xuehai Ni
Assignee (at issue)
EMERSON POWER TRANSMISSION MANUFACTURING
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.