Granted Patent
Utility
US 6,018,542 · App. 09/227,489
Sealed electrode feeding assembly
Inventor:
Douglas N. Berger
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Jan 6, 1999
Inventor
Douglas N. Berger
Assignee (at issue)
Integrated Environmental Technologies, LLC
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.