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For the Inventor, By the Inventor

Newaygo, MI, United States of America

Sandmold Systems, Inc.


USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 21

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8 inventors (with patents filed for the assignee):

goldMedal Robert J Smith (1 out of 1 patent)

silverMedal Frederick L Walter (1 out of 1 patent)

bronzeMedal Larry J Palmer (1 out of 1 patent)

4.  Ramon Michen (1 out of 2 patents)

5.  Robert J Smith, Sr (1 out of 1 patent)

6.  Ellis S White (1 out of 1 patent)

7.  William C Zatkoff (1 out of 1 patent)

8.  John J Light (1 out of 1 patent)


3 patents:

1. 5791779 - Mixing assembly for continuous mixer (1998-08-11),
2. 4973166 - Particulate material conditioner (1990-11-27),
3. 4324392 - Molten metal pouring device (1982-04-13),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#1 in Newaygo, MI

#2,489 in Michigan

#73,766 in US

Newaygo, MI (US)
Newaygo, MI, United States of America

Sandmold Systems, Inc.

Forward Citations = 21

8 inventors:

goldMedal Robert J Smith (1 out of 1 patent)

silverMedal Frederick L Walter (1 out of 1 patent)

bronzeMedal Larry J Palmer (1 out of 1 patent)

4.  Ramon Michen (1 out of 2 patents)

5.  Robert J Smith, Sr (1 out of 1 patent)

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