Granted Patent
Utility
US 4,292,087 · App. 06/016,666
Coatings pigmented with nonleafing aluminum flake
Inventor:
Harry E. Bell
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Feb 28, 1979
Inventor
Harry E. Bell
Assignee (at issue)
Alcan Aluminum Corporation
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.