Granted Patent
Utility
US 6,604,056 · App. 09/681,156
Method and system of harmonic regulation
Inventor:
James A. Ulrich
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Feb 1, 2001
Inventor
James A. Ulrich
Assignee (at issue)
DRS Power & Control Technologies, 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.