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For the Inventor, By the Inventor

Englewood, CO, United States of America

Cyprus Mineral Company


USPTO Granted Patents = 1

Forward Citations = 2

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1 inventor (with patents filed for the assignee):

goldMedal Richard O Huch (1 out of 2 patents)


1 patent:

1. 5295585 - Method for achieving enhanced copper-containing mineral concentrate (1994-03-22),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#219 in Englewood, CO

#3,369 in Colorado

#133,784 in US

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Englewood, CO, United States of America

Cyprus Mineral Company

Forward Citations = 2

1 inventor:

goldMedal Richard O Huch (1 out of 2 patents)

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