Granted Patent
Utility
US 4,284,485 · App. 06/054,770
Photocurable compositions
Inventor:
Godwin Berner
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Jul 5, 1979
Inventor
Godwin Berner
Assignee (at issue)
Ciba-Geigy
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.