Granted Patent
Utility
US 6,684,708 · App. 10/182,756
Pressure sensor for detecting the pressure of a liquid
Inventor:
Manfred Weigl
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Dec 9, 2002
Inventor
Manfred Weigl
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.