Assignee
RICH DAVID
US5 patents
Top patents by PatentIndex Score
US10390715B2Aug 27, 2019
Photoplethysmography sensors
RICH DAVID16 citations82
US9724002B2Aug 8, 2017
Methods, devices and systems for photoplethysmography at the nasal columella
RICH DAVID14 citations82
USD748274SJan 26, 2016
Nasal alar photoplethysmography probe housing
RICH DAVID14 citations80
US10066877B2Sep 4, 2018
High efficiency ventilation system
RICH DAVID2 citations67
US9891005B2Feb 13, 2018
High efficiency ventilation system
RICH DAVID3 citations67