Centraliser
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The broken line showing of a pipe is included for the purpose of illustrating environmental structure only, the broken line showing of a rectangular feature in
Claims
The ornamental design for centraliser, as shown and described.
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Type: Grant
Filed: Aug 23, 2011
Date of Patent: Jul 3, 2012
Assignee: Downhole Products Limited (Aberdeen)
Inventors: Andrew Keith Kirk (Methlick), Ian Alastair Kirk (Aberdeen)
Primary Examiner: Mark Goodwin
Attorney: Winstead PC
Application Number: 29/400,032