Granted Patent
Utility
US 4,233,432 · App. 06/037,616
Dicyclopentadiene polyester resins
Inventor:
Omer E. Curtis, Jr.
Patented Case
View Patent ↗
Granted: Nov 11, 1980
Filed: May 10, 1979
Inventor
Omer E. Curtis, Jr.
Assignee (at issue)
United States Steel 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.