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:
Sep. 30, 2003
Filed:
May. 11, 2001
Applicant:
Inventors:
Frederick Sexton, Fair Haven, NJ (US);
Perry A. Genova, Chapel Hill, NC (US);
Akwete L. Adjei, Bridgewater, NJ (US);
Assignee:
IEP Pharmaceutical Devices Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 1/100 ;
U.S. Cl.
CPC ...
A61M 1/100 ;
Abstract
The metering valve which includes a material reservoir formed generally above a load bearing bottom hollow, with a toroidal gas chamber formed thereabout. Both the gas chamber and the material reservoir include metering spindles which allow the material to be dispensed and gas to be mixed precisely in a mixing chamber, and dispensed through an orifice.