Granted Patent
Utility
US 5,739,239 · App. 08/487,791
Thermally polymerized dicyclopentadiene/vinyl aromatic resins
Inventors:
Norman Edward Daughenbaugh, Dane George Goodfellow, Deborah Ann Riedl
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jun 7, 1995
Inventors
Norman Edward Daughenbaugh
Dane George Goodfellow
Deborah Ann Riedl
Assignee (at issue)
HERCULES LLC
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.