Granted Patent
Utility
US 6,019,944 · App. 08/447,895
Diagnostic devices and apparatus for the controlled movement of reagents without membranes
Inventor:
Kenneth F. Buechler
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: May 23, 1995
Inventor
Kenneth F. Buechler
Assignee (at issue)
Biosite Diagnostics, 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.