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.

Date of Patent:
Apr. 18, 2017

Filed:

Apr. 29, 2013
Applicant:

Hewlett-packard Development Company, L.p., Fort Collins, CO (US);

Inventors:

Paul Howard Mazurkiewicz, Fort Collins, CO (US);

Paul Hubbard Ford, Fort Collins, CO (US);

Troy A. Farrar, Omaha, NE (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/00 (2006.01); G01N 33/20 (2006.01);
U.S. Cl.
CPC ...
G01N 33/20 (2013.01);
Abstract

A method of determining the geographic origin of a metal can comprise measuring a first isotope and a second isotope of the metal by high-resolution mass spectrometry; calculating a ratio of the first isotope and the second isotope; comparing the ratio to native ratios of isotopes of the metal of native samples from a plurality of geographic locations using a database; and matching the ratio to a geographic location.


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