Granted Patent
Utility
US 4,771,113 · App. 07/061,635
Thermosettable modified phenolic polyester imide resins
Inventors:
Sajal Das, Dusan C. Prevorsek
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Jun 15, 1987
Inventors
Sajal Das
Dusan C. Prevorsek
Assignee (at issue)
ALLIED CONSULTING, 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.