Granted Patent
Utility
US 4,334,544 · App. 06/144,720
Ear lobe clip with heart beat sensor
Inventors:
Loran R. Hill, Steven E. Titcomb
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Apr 28, 1980
Inventors
Loran R. Hill
Steven E. Titcomb
Assignee (at issue)
AMF GmbH
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.