Granted Patent
Utility
US 5,631,097 · App. 08/427,684
Laminate insulation barriers having a cementitious structural matrix and methods for their manufacture
Inventors:
Per Just Andersen, Simon K. Hodson
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Apr 24, 1995
Inventors
Per Just Andersen
Simon K. Hodson
Assignee (at issue)
E. Khashoggi Industries, LLC
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.