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For the Inventor, By the Inventor

Stamford, CT, United States of America

Magnaflux Pipeline Services, Inc.


USPTO Granted Patents = 2

Forward Citations = 36

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3 inventors (with patents filed for the assignee):

goldMedal Donald E Lorenzi (2 out of 12 patents)

silverMedal Helmut F Wagerer (2 out of 5 patents)

bronzeMedal Lev Spevak (1 out of 1 patent)


2 patents:

1. 4641529 - Pipeline inspection device using ultrasonic apparatus for corrosion pit (1987-02-10),
2. 4598250 - Corrosion sensor device including side-by-side bar magnets surrounded by (1986-07-01),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#158 in Stamford, CT

#1,724 in Connecticut

#92,630 in US

...
Stamford, CT, United States of America

Magnaflux Pipeline Services, Inc.

Forward Citations = 36

3 inventors:

goldMedal Donald E Lorenzi (2 out of 12 patents)

silverMedal Helmut F Wagerer (2 out of 5 patents)

bronzeMedal Lev Spevak (1 out of 1 patent)

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