Granted Patent
Utility
US 5,087,657 · App. 07/314,165
Fiber-reinforced composites toughened with resin particles
Inventors:
Shahid P. Qureshi, Richard H. Newman-Evans, Hugh C. Gardner
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Feb 23, 1989
Inventors
Shahid P. Qureshi
Richard H. Newman-Evans
Hugh C. Gardner
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.