Granted Patent
Utility
US 4,554,341 · App. 06/706,365
Fire retardant, fast reacting epoxy resin
Inventor:
Robert C. Allen
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Feb 27, 1985
Inventor
Robert C. Allen
Assignee (at issue)
SHELL OIL COMPANY
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.