Granted Patent
Utility
US 4,904,352 · App. 07/143,814
Electrodeposited multilayer coating for titanium
Inventor:
Erwin C. Witte
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Jan 13, 1988
Inventor
Erwin C. Witte
Assignee (at issue)
Microdot 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.