Granted Patent
Utility
US 5,139,028 · App. 07/604,901
Heart rejection monitoring apparatus and method
Inventors:
Bruce M. Steinhaus, Fred I. Vance, Anne L. Curtis, Ken Koestner
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Oct 26, 1990
Inventors
Bruce M. Steinhaus
Fred I. Vance
Anne L. Curtis
Ken Koestner
Assignee (at issue)
Telectronics Pacing 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.