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Stephen Peterson
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Chaska, MN, US
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last 30 patents
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Patent Grant
Mechanical clean-out test plug
Patent number
8,042,576
Issue date
Oct 25, 2011
IPS Corporation
Stephen Peterson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pneumatic pressure relief test plug
Patent number
7,597,118
Issue date
Oct 6, 2009
IPS Corporation
Stephen Peterson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Clean-out repair plug
Patent number
7,464,727
Issue date
Dec 16, 2008
IPS Corporation
Richard E. Larson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
MECHANICAL CLEAN-OUT TEST PLUG
Publication number
20100243090
Publication date
Sep 30, 2010
IPS Corporation
Stephen Peterson
G01 - MEASURING TESTING