Granted Patent
Utility
US 6,507,260 · App. 09/561,616
Electrical transformer for use with twisted pair
Inventors:
Donald D. Baumann, Philip H. Sutterlin
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Apr 27, 2000
Inventors
Donald D. Baumann
Philip H. Sutterlin
Assignee (at issue)
Echelon Corporation
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.