Granted Patent
Utility
US 5,502,140 · App. 08/325,763
Thermally polymerized dicyclopentadiene/vinyl aromatic resins
Inventors:
Norman Edward Daughenbaugh, Dane George Goodfellow, Deborah Ann Riedl
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Oct 19, 1994
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.