Granted Patent
Utility
US 4,314,933 · App. 06/118,253
Method for light stabilization of two-layer uni-lacquer coatings
Inventor:
Godwin Berner
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Feb 4, 1980
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.