Granted Patent
Utility
US 6,279,606 · App. 09/419,557
Microvalve device having a check valve
Inventors:
Harry A. Hunnicutt, Paul M. Schliebe
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Oct 18, 1999
Inventors
Harry A. Hunnicutt
Paul M. Schliebe
Assignee (at issue)
KELSEY-HAYES-COMPANY
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.