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MULTI-ACTIVITY OFFSHORE EXPLORATION AND/OR DEVELOPMENT DRILLING METHOD AND APPARATUS

09/57,466 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed April 9, 1998
Examiner WILLIAM P NEUDER
Class 175
Art Group 3672
Patent No. 6,047,781
Case Type Utility - 175/005000
Status Patented Case
Parent 08/642,417 Patented
Child 09/291,483 Patented
Child 09/291,293 Patented
Last Updated: 1 year, 11 months ago
Date # Transaction