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For the Inventor, By the Inventor

Des Moines, IA, United States of America

Siebolt Hettinga


USPTO Granted Patents = 2

Forward Citations = 15

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3 inventors (with patents filed for the assignee):

goldMedal Richard D Osborne (2 out of 2 patents)

silverMedal Mark W Spicer (1 out of 5 patents)

bronzeMedal Berton G Whited (1 out of 1 patent)


2 patents:

1. 6272398 - Processor-based process control system with intuitive programming capabilities (2001-08-07),
2. 6006601 - Method for determining the precise initial volume of a mold cavity of an (1999-12-28),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#65 in Des Moines, IA

#589 in Iowa

#94,628 in US

Des Moines, IA (US)
Des Moines, IA, United States of America

Siebolt Hettinga

Forward Citations = 15

3 inventors:

goldMedal Richard D Osborne (2 out of 2 patents)

silverMedal Mark W Spicer (1 out of 5 patents)

bronzeMedal Berton G Whited (1 out of 1 patent)

Please report any incorrect information to [email protected]
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