Excelsior Springs, MO, United States of America

Ecto Development Corporation


USPTO Granted Patents = 1

Forward Citations = 9

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3 inventors (with patents filed for the assignee):

goldMedal Robert G Pennington (1 out of 5 patents)

silverMedal Joseph E Dyer (1 out of 1 patent)

bronzeMedal James V Grissom (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#2 in Excelsior Springs, MO

#1,889 in Missouri

#133,919 in US

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Excelsior Springs, MO, United States of America
Forward Citations = 9

3 inventors:

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