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Ralph Manchester
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Rowlands Gill, Tyne and Wear, GB
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Patents Grants
last 30 patents
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Patent Grant
Trench apparatus with leveling means
Patent number
9,945,097
Issue date
Apr 17, 2018
IHC ENGINEERING BUSINESS LIMITED
Ralph Manchester
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Trench Apparatus with Leveling Means
Publication number
20160333549
Publication date
Nov 17, 2016
IHC Engineering Business LTD
Ralph Manchester
B60 - VEHICLES IN GENERAL