Granted Patent
Utility
US 5,939,937 · App. 08/940,862
Constant current CMOS output driver circuit with dual gate transistor devices
Inventor:
Hartmud Terletzki
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Sep 29, 1997
Inventor
Hartmud Terletzki
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.