Granted Patent
Utility
US 6,781,256 · App. 09/983,888
Load voltage control for a field device
Inventor:
Michael Loechner
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Oct 26, 2001
Inventor
Michael Loechner
Assignee (at issue)
Invensys Systems, 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.