Granted Patent
Utility
US 6,066,864 · App. 09/194,178
Thyristor with integrated dU/dt protection
Inventors:
Martin Ruff, Hans-Joachim Schulze, Frank Pfirsch
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Nov 20, 1998
Inventors
Martin Ruff
Hans-Joachim Schulze
Frank Pfirsch
Assignee (at issue)
Siemens Aktiengesellschaft
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.