Granted Patent
Utility
US 6,340,222 · App. 09/113,093
Utilizing venting in a MEMS liquid pumping system
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Jul 10, 1998
Inventor
Kia Silverbrook
Assignee (at issue)
Silverbrook Research Pty Ltd
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.