Granted Patent
Utility
US 4,535,133 · App. 06/619,435
Polyether polyols modified with epoxy resin-diamine adducts
Inventors:
Michael Cuscurida, Harold G. Waddill
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Jun 11, 1984
Inventors
Michael Cuscurida
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.