Granted Patent
Utility
US 6,495,494 · App. 09/596,599
Conveyor lubricant and method for transporting articles on a conveyor system
Inventors:
Minyu Li, Keith D. Lokkesmoe
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jun 16, 2000
Inventors
Minyu Li
Keith D. Lokkesmoe
Assignee (at issue)
ECOLAB INC.
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.