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:
May. 23, 2000
Filed:
Sep. 14, 1998
Applicant:
Inventors:
Norman R McCombs, Tonawanda, NY (US);
Mark R Mizerkiewicz, N. Tonawanda, NY (US);
Assignee:
AirSep Corporation, Buffalo, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820418 ; 12820028 ; 12820024 ; 12820526 ; 12820429 ; 12820711 ;
Abstract
A non-contact gas dispenser comprising a head set apparatus, a gas source and a conduit for directing the desired gas to a region proximate to the user's nose and mouth. The gas source preferably is a pressure swing adsorption apparatus that allows the user to select one of at least two pre-determined settings of product gas, each setting having a distinct concentration and flow rate different from the other setting(s).