Granted Patent
Utility
US 4,656,207 · App. 06/702,518
Epoxy thermosets having improved toughness
Inventors:
Harold Jabloner, Brian J. Swetlin, Sung G. Chu
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Feb 19, 1985
Inventors
Harold Jabloner
Brian J. Swetlin
Sung G. Chu
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.