Granted Patent
Utility
US 6,276,167 · App. 09/276,316
Refrigeration production
Inventor:
Michael McCaulley
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Mar 25, 1999
Inventor
Michael McCaulley
Assignee (at issue)
Westlake Technology 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.