Granted Patent
Utility
US 6,017,580 · App. 09/143,685
Silver film incorporating protective insoluble metallic salt precipitate
Inventor:
Joseph Soltys
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Aug 28, 1998
Inventor
Joseph Soltys
Assignee (at issue)
Lilly Industries (USA), 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.