Granted Patent
Utility
US 6,631,286 · App. 09/993,901
Device for the determination of tissue perfusion and operative use thereof
Inventors:
Ulrich Pfeiffer, Andreas Becker, Norbert Eder, Thorsten Burger, Christian Töns
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Nov 27, 2001
Inventors
Ulrich Pfeiffer
Andreas Becker
Norbert Eder
Thorsten Burger
Christian Töns
Assignee (at issue)
Pulsion Medical Systems AG
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.