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:
Apr. 03, 2001
Filed:
Oct. 04, 1999
Applicant:
Inventor:
Nicholas P. Van Brunt, White Bear Lake, MN (US);
Assignee:
American Biosystems, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/08 ;
U.S. Cl.
CPC ...
A61B 5/08 ;
Abstract
Airway resistance of a patient's lungs is measured by applying an oscillating compressive force to the patient's chest while supplying air pressure to a mouthpiece in communication with the patient's mouth so that airflow from the patient's mouth equals expiratory flow produced by the oscillating compressive force.