Granted Patent
Utility
US 6,774,093 · App. 10/194,413
High viscosity synthetic ester lubricant base stock
Inventors:
Dale Carr, Michael A. McHenry, Jeremy Styer
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Jul 12, 2002
Inventors
Dale Carr
Michael A. McHenry
Jeremy Styer
Assignee (at issue)
Hatco 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.