Granted Patent
Utility
US 6,072,220 · App. 09/206,577
Integrated resistor
Inventor:
Helmut Strack
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Dec 7, 1998
Inventor
Helmut Strack
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.