Saint Paul, MN, United States of America

Environmental Research Corporation


USPTO Granted Patents = 1

Forward Citations = 46

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4 inventors (with patents filed for the assignee):

goldMedal Dale A Lundgren (1 out of 2 patents)

silverMedal Perry B Lonnes (1 out of 1 patent)

bronzeMedal Carl M Peterson (1 out of 1 patent)

4 Laverne W Rees (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#354 in Saint Paul, MN

#3,497 in Minnesota

#133,893 in US

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Saint Paul, MN, United States of America
Forward Citations = 46

4 inventors:

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