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For the Inventor, By the Inventor

Toronto, Canada

Centaur Mining Exploration Ltd.


USPTO Granted Patents = 2

% Expired Patents = 50.0


Forward Citations = 26

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2 inventors (with patents filed for the assignee):

goldMedal Robert A Geisler (2 out of 6 patents)

silverMedal Ira E Puddington (1 out of 15 patents)


2 patents:

1. 6517701 - Lead, zinc and manganese recovery from aqueous solutions (2003-02-11),
2. 5523066 - Treatment of lead sulphide bearing minerals (1996-06-04),
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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#587 in Toronto

#6,000 in Canada

Toronto, CA
Toronto, Canada

Centaur Mining Exploration Ltd.

Forward Citations = 26

2 inventors:

goldMedal Robert A Geisler (2 out of 6 patents)

silverMedal Ira E Puddington (1 out of 15 patents)

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