Granted Patent
Utility
US 5,857,983 · App. 08/858,045
Methods and apparatus for sampling body fluid
Inventors:
Joel S. Douglas, Jeffrey N. Roe, Ryszard Radwanski, Brent G. Duchon
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: May 16, 1997
Inventors
Joel S. Douglas
Jeffrey N. Roe
Ryszard Radwanski
Brent G. Duchon
Assignee (at issue)
Mercury 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.