Jeffrey Shawn Dawson

US Patent:

42214106, Sep 9, 1980

Filed:

May 10, 1979

Appl. No.:

6/037671

Inventors:

Jeffrey S. Dawson - Newark DE

International Classification:

B60R 1902

US Classification:

293 21

Abstract:

A protective guard to protect the sides of a motor vehicle comprising a bumper, apparatus to move the bumper from a position adjacent the vehicle to a position away from the vehicle, and apparatus to raise and lower the bumper when in the latter position.

US Patent:

20230009628, Jan 12, 2023

Filed:

Sep 1, 2022

Appl. No.:

17/901048

Inventors:

- McLean VA, US
JEFFREY DAWSON - ARLINGTON VA, US
DAVID WHITE - ARLINGTON VA, US

International Classification:

G01N 33/53
B01L 3/00
A61B 5/05
A61B 5/095
G01N 33/543
G01N 1/22
G01N 33/497
A61B 5/097

Abstract:

Described herein are rapid breath testing devices, systems and methods. The device may include a mouthpiece operable to receive air flow from a breath; and a cassette comprising a biosensor and a cassette conduit, the cassette removably connected to the mouthpiece such that at least a sample of the air flow passes through the cassette conduit and over the biosensor. The biosensor may include a plurality of graphene-based sensors and may be operable to detect at least one volatile organic compound in the air flow sample.