Granted Patent
Utility
US 4,628,939 · App. 06/550,350
Method and improved apparatus for analyzing heart activity
Inventors:
Michael J. Little, Harry Dellamano
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Nov 10, 1983
Inventors
Michael J. Little
Harry Dellamano
Assignee (at issue)
Hughes Aircraft Company
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.