Granted Patent
Utility
US 4,282,330 · App. 06/146,961
Energy management polyether polyurethane foam
Inventor:
Thomas Howard Austin
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: May 5, 1980
Inventor
Thomas Howard Austin
Assignee (at issue)
Texaco 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.