Harrison Township, MI, United States of America

Cpi Excavating, Inc.


USPTO Granted Patents = 2

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

goldMedal Gregory Coventry (2 out of 2 patents)

silverMedal Charles D Smith (2 out of 25 patents)


2 patents:

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USPTO Data Jan 1 1976 - Jan 13 2026

2 Patents

#1 in Harrison Township, MI

#3,130 in Michigan

#92,775 in US

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Harrison Township, MI, United States of America
Forward Citations = 0

2 inventors:

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