Granted Patent
Utility
US 5,733,263 · App. 08/680,108
Thermal retention system and method
Inventor:
Steven Wheatman
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Jul 15, 1996
Inventor
Steven Wheatman
Assignee (at issue)
Cabot 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.