Granted Patent
Utility
US 4,713,283 · App. 06/691,643
Reinforced composite structures
Inventors:
Frederic N. Cogswell, Umakant Measuria
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Jan 15, 1985
Inventors
Frederic N. Cogswell
Umakant Measuria
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.