Granted Patent
Utility
US 5,171,688 · App. 07/396,326
Self-corrected assay device
Inventors:
Gary E. Hewett, Steven T. Mielke, Judith A. Blunt
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Aug 23, 1989
Inventors
Gary E. Hewett
Steven T. Mielke
Judith A. Blunt
Assignee (at issue)
Cholestech Corporation
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.