Granted Patent
Utility
US 6,072,707 · App. 09/177,744
High voltage modular inverter
Inventor:
Clark G. Hochgraf
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Oct 23, 1998
Inventor
Clark G. Hochgraf
Assignee (at issue)
Siemens Power Transmission & Distribution, 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.