Granted Patent
Utility
US 6,371,160 · App. 09/909,750
Fluid control element
Inventor:
Heinrich Dettmann
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Jul 23, 2001
Inventor
Heinrich Dettmann
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.