IP Library Granted Patent US 4,334,544
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,334,544
App. No.
06/144,720
Filed
1980-04-28
Granted
1982-06-15
Kind
A