Granted Patent
Utility
US 5,550,459 · App. 08/287,438
Tap position determination based on regular impedance characteristics
Inventor:
Carl J. Laplace
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Aug 8, 1994
Inventor
Carl J. Laplace
Assignee (at issue)
SIEMENS ENERGY & AUTOMATION, 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.