Granted Patent
Utility
US 5,312,449 · App. 07/824,404
Implantable medical apparatus for stimulating a heart
Inventor:
Indra B. Nigam
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Jan 23, 1992
Inventor
Indra B. Nigam
Assignee (at issue)
Siemens Aktiengesellschaft
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.