Granted Patent
Utility
US 4,859,875 · App. 07/236,076
Optocoupler for power FET
Inventors:
Jenoe Tihanyi, Roland Weber
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Aug 24, 1988
Inventors
Jenoe Tihanyi
Roland Weber
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.