Granted Patent
Utility
US 4,533,719 · App. 06/592,143
Epoxy resins with increased flexibility
Inventor:
Harold G. Waddill
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Mar 22, 1984
Inventor
Harold G. Waddill
Assignee (at issue)
Texaco Inc.
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.