Granted Patent
Utility
US 5,260,121 · App. 07/397,987
Fiber-reinforced composite of cyanate ester, epoxy resin and thermoplast
Inventors:
Hugh C. Gardner, Shahid P. Qureshi
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Aug 24, 1989
Inventors
Hugh C. Gardner
Shahid P. Qureshi
Assignee (at issue)
Amoco Corporation
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.