IP Library Granted Patent US 6,516,891
Granted Patent Utility
US 6,516,891 · Confirmation No. 1662

DUAL STRING COIL TUBING INJECTOR ASSEMBLY

Inventor: L. Murray Dallas
Patented Case View Patent ↗
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Code Description Pages PDF
2021-02-16 OATH Oath or Declaration filed 26 View
2005-08-11 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-02-08 TRNA Transmittal of New Application 4 View
2001-02-08 SPEC Specification 23 View
2001-02-08 CLM Claims 10 View
2001-02-08 ABST Abstract 1 View
2001-02-08 DRW Drawings-only black and white line drawings 8 View
2001-02-08 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,516,891
App. No.
09/779,087
Filed
2001-02-08
Granted
2003-02-11
Art Unit
3672
PTA
-10 days