Granted Patent
Utility
US 4,608,300 · App. 06/619,751
Fibre composite materials impregnated with a curable epoxide resin matrix
Inventor:
Urs Gruber
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Jun 11, 1984
Inventor
Urs Gruber
Assignee (at issue)
Ciba-Geigy
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.