Granted Patent
Utility
US 6,294,218 · App. 09/339,898
Process for coating a substrate
Inventors:
Gunter Igel, Joachim Krumrey
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Jun 25, 1999
Inventors
Gunter Igel
Joachim Krumrey
Assignee (at issue)
Micronas GmbH
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.