Granted Patent
Utility
US 6,418,546 · App. 09/351,097
Circuit for checking a tristate detection circuit
Inventors:
Paul Hartl, Hermann Haberer, Paul Haberl
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Jul 9, 1999
Inventors
Paul Hartl
Hermann Haberer
Paul Haberl
Assignee (at issue)
Leuze Lumiflex GmbH & Co., Ltd.
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.