Granted Patent
Utility
US 5,961,472 · App. 08/937,670
Closed, one-handed blood sampling system
Inventors:
David L. Swendson, W. Scott Couchman, Wesley M. Morris, David J. Evans
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Sep 26, 1997
Inventors
David L. Swendson
W. Scott Couchman
Wesley M. Morris
David J. Evans
Assignee (at issue)
Baxter International 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.