Granted Patent
Utility
US 6,083,374 · App. 09/091,560
Process for maintaining a constant concentration of substances in an electroplating bath
Inventor:
Lorenz Kopp
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Jun 18, 1998
Inventor
Lorenz Kopp
Assignee (at issue)
Atotech Deutschland 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.