Granted Patent
Utility
US 5,758,464 · App. 08/791,310
Insulation system for metal furred walls
Inventor:
Howard Hatton
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Jan 30, 1997
Inventor
Howard Hatton
Assignee (at issue)
Celotex 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.