Granted Patent
Utility
US 5,215,579 · App. 07/813,439
Water resistant metal pigment particles
Inventors:
Craig Keemer, William G. Jenkins, H. Taylor Lamborn, Joseph B. Scheller
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Dec 26, 1991
Inventors
Craig Keemer
William G. Jenkins
H. Taylor Lamborn
Joseph B. Scheller
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.