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For the Inventor, By the Inventor

Tucson, AZ, United States of America

Destech Corporation


USPTO Granted Patents = 2


Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal David A Rohrbacker (2 out of 4 patents)

silverMedal Jon Chatwood (1 out of 1 patent)

bronzeMedal William Francis Palmer (1 out of 6 patents)


2 patents:

1. 10646916 - Composition and method to form displacements for use in metal casting (2020-05-12),
2. 8506861 - Molding composition and method using same to form displacements for use in a metal casting process (2013-08-13),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#221 in Tucson, AZ

#1,294 in Arizona

#94,628 in US

Tucson, AZ (US)
Tucson, AZ, United States of America

Destech Corporation

Forward Citations = 0

3 inventors:

goldMedal David A Rohrbacker (2 out of 4 patents)

silverMedal Jon Chatwood (1 out of 1 patent)

bronzeMedal William Francis Palmer (1 out of 6 patents)

Please report any incorrect information to [email protected]
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