Granted Patent
Utility
US 4,688,573 · App. 06/747,111
Temperature driven rate responsive cardiac pacemaker
Inventor:
Eckhard Alt
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Jun 20, 1985
Inventor
Eckhard Alt
Assignee (at issue)
Intermedics 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.