Granted Patent
Utility
US 5,741,223 · App. 08/712,774
Device and method for sealing puncture wounds
Inventors:
Ernst Janzen, Gunter Ruttgers, Lawrence Saper, Sid Wolvek
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Sep 12, 1996
Inventors
Ernst Janzen
Gunter Ruttgers
Lawrence Saper
Sid Wolvek
Assignee (at issue)
Datascope Investment Corp.
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.