Granted Patent
Utility
US 6,286,548 · App. 09/461,384
Fluid control element
Inventor:
Heinrich Dettmann
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 15, 1999
Inventor
Heinrich Dettmann
Assignee (at issue)
Burkert Werke GmbH
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.