Granted Patent
Utility
US 5,558,705 · App. 08/332,600
Colored metallic pigments
Inventors:
Craig Keemer, Walter S. Halbach, William G. Jenkins, Russell L. Ferguson
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Oct 31, 1994
Inventors
Craig Keemer
Walter S. Halbach
William G. Jenkins
Russell L. Ferguson
Assignee (at issue)
Silberline Manufacturing Co., 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.