Granted Patent
Utility
US 6,581,899 · App. 09/887,820
Valve for use in microfluidic structures
Inventor:
Clinton L. Williams
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 22, 2001
Inventor
Clinton L. Williams
Assignee (at issue)
MICRONICS, INC.
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.