Granted Patent
Utility
US 6,436,881 · App. 09/872,191
High temperature lubricant composition
Inventors:
Michael A. McHenry, Dale Carr, Jeffrey Hutter
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Jun 1, 2001
Inventors
Michael A. McHenry
Dale Carr
Jeffrey Hutter
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.