Granted Patent
Utility
US 6,436,021 · App. 09/886,285
Method and apparatus for supplying lubricant
Inventor:
Mitsuru Nukui
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Jun 22, 2001
Inventor
Mitsuru Nukui
Assignee (at issue)
Nippei Toyama 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.