Tapered surface bearing assembly and well drilling equipment comprising same

Details for Australian Patent Application No. 2008294055 (hide)

International Classifications

Event Publications

4 March 2010 PCT application entered the National Phase

PCT publication WO2009/029149 Priority application(s): WO2009/029149

14 April 2011 Assignment before Grant

Williams, John The application has been assigned to Hampton IP Holdings Co., LLC

16 August 2012 Amendment Made

The nature of the amendment is: Application is to proceed under the number 2008101294

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