Granted Patent
Utility
US 5,645,540 · App. 08/320,940
Blood conservation system
Inventors:
Bruce D. Henniges, Kurt J. Kuipers, Richard F. Huyser
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Oct 11, 1994
Inventors
Bruce D. Henniges
Kurt J. Kuipers
Richard F. Huyser
Assignee (at issue)
STRYKER 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.