Granted Patent
Utility
US 6,706,793 · App. 10/251,566
Intumescent fire retardant composition and method of manufacture thereof
Inventors:
Ismat A. Abu-Isa, Richard Marczewski, Mark Williams
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Sep 20, 2002
Inventors
Ismat A. Abu-Isa
Richard Marczewski
Mark Williams
Assignee (at issue)
Delphi Technologies
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.