Granted Patent
Utility
US 5,389,435 · App. 08/064,619
Flame retardant epoxy composite
Inventor:
Hugh A. Yap
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: May 20, 1993
Inventor
Hugh A. Yap
Assignee (at issue)
ICI Composites 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.