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For the Inventor, By the Inventor

Chicago, undefined

Gemshares LLC


USPTO Granted Patents = 3

Trademarks = 3

Forward Citations = 5

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5 inventors (with patents filed for the assignee):

goldMedal Victor Feldman (3 out of 3 patents)

silverMedal Sharon Karsten (3 out of 3 patents)

bronzeMedal Daniel Gramza (3 out of 3 patents)

4.  Andrew Feldman (3 out of 3 patents)

5.  David W So (3 out of 24 patents)


3 patents:

1. 10282784 - Global investment grade for natural and synthetic gems used in financial investments and commercial trading and method of creating standardized baskets of gems to be used in financial and commerical products (2019-05-07),
2. 8706513 - Global investment grade for natural and synthetic gems used in financial investments and commercial trading and method of creating standardized baskets of gems to be used in financial and commercial products (2014-04-22),
3. 8239211 - Global investment grade for natural and synthetic gems used in financial investments and commercial trading and method of creating standardized baskets of gems to be used in financial and commercial products (2012-08-07),
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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#2 in Chicago

#2 in unknown

...
Chicago, undefined

Gemshares LLC

Forward Citations = 5

5 inventors:

goldMedal Victor Feldman (3 out of 3 patents)

silverMedal Sharon Karsten (3 out of 3 patents)

bronzeMedal Daniel Gramza (3 out of 3 patents)

4.  Andrew Feldman (3 out of 3 patents)

5.  David W So (3 out of 24 patents)

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