Granted Patent
Utility
US 5,769,800 · App. 08/404,442
Vest design for a cardiopulmonary resuscitation system
Inventors:
Mark Gelfand, Kreg George Gruben, Henry R. Halperin, Jeff Koepsell, Neil S. Rothman, Joshua E. Tsitlik
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Mar 15, 1995
Inventors
Mark Gelfand
Kreg George Gruben
Henry R. Halperin
Jeff Koepsell
Neil S. Rothman
Joshua E. Tsitlik
Assignees (at issue)
The Johns Hopkins University
Cardiologic Systems, 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.