The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 1989
Filed:
May. 26, 1988
Applicant:
Inventor:
Karl-Heinz Pannwitz, Lubeck, DE;
Assignee:
Draegerwerk AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
7386473 ; 422 58 ; 422 86 ; 351158 ; 7386331 ; 7386434 ;
Abstract
A wearable, air-sampling device includes a head frame comparable to an eyeglass head frame which has a forehead engaging cross piece and an ear-engaging piece on each side extending rearwardly from the forehead engaging portion which are adapted to engage over respective ears of the wearer and which includes a detachable gas-tester holder mounted on the frame at some visible location, for example, between the eye portions of the forehead piece or over each eye of even on a temple piece.