Granted Patent
Utility
US 6,665,620 · App. 09/362,018
Utility meter having primary and secondary communication circuits
Inventors:
Gordon R. Burns, Byron J. Slater
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Jul 27, 1999
Inventors
Gordon R. Burns
Byron J. Slater
Assignee (at issue)
Siemens Transmission & Distribution SA
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.