1
Burroughs James E: Mouthpiece for breath testing devices. Borg Warner Corporation, Jennings Jr James J, April 29, 1975: US3880591 (24 worldwide citation)

A mouthpiece comprises a breath-receiving cup member mounted on a hollow stem member which provides an outlet of the mouthpiece and which is adapted for connection to the inlet of a breath testing device. The stem member has an inlet portion extending inwardly of the cup member and having a closed e ...


2
Mouthpiece for breath testing devices. Borg Warner, November 30, 1977: GB1493820-A

1493820 Mouthpiece for breath testing device BORG-WARNER CORP 20 Nov 1974 [2 Jan 1974] 50332/74 Headings A5R and A5T A synthetic resin mouthpiece 14 for a breath testing device comprises a receiver member 18 to engage the face and surround the lips 28 having a beaded or curled rim 22, axially taperi ...