Inventor

CLARK JR ROBERT LOUIS

US4 patents

⚠️ This page may combine multiple inventors who share the name “CLARK JR ROBERT LOUIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOHNSON MICHAEL DAVID

2 patents

US8519852B2Aug 27, 2013

Two-axis inclinometer head of bed elevation alarm and method of operation

JOHNSON MICHAEL DAVID10 citations81

US8397393B2Mar 19, 2013

Device to reduce the incidence of aspiration

JOHNSON MICHAEL DAVID6 citations81

CLARK JR ROBERT LOUIS

1 patent

US7562458B1Jul 21, 2009

Device to reduce the incidence of aspiration

CLARK JR ROBERT LOUIS40 citations88

EGRESSON LLC

1 patent

US7934321B2May 3, 2011

Tilt switch employing graphite

EGRESSON LLC10 citations77