USPTO Assignments on the Web

	United States Patent and Trademark Office
	Home\|Site Index\|Search\|Guides\|Contacts\|eBusiness\|eBiz alerts\|News\|Help

Assignments on the Web > Patent Query

Patent Assignment Abstract of Title

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 2

Patent #:	8496064	Issue Dt:	07/30/2013	Application #:	11850243	Filing Dt:	09/05/2007
Publication #:	20090056947	Pub Dt:	03/05/2009
Inventors:	Michael H. Du, Gary L. Rytlewski, William D. Chapman
Title:	SYSTEM AND METHOD FOR ENGAGING COMPLETIONS IN A WELLBORE

Assignment: 1

Reel/Frame:

019894/0814

Recorded: 09/28/2007

Pages: 7

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

DU, MICHAEL H.

Exec Dt:

09/24/2007

RYTLEWSKI, GARY L.

Exec Dt:

09/07/2007

CHAPMAN, WILLIAM D.

Exec Dt:

09/24/2007

Assignee:

SCHLUMBERGER TECHNOLOGY CORPORATION

300 SCHLUMBERGER DRIVE

SUGAR LAND, TEXAS 77478

Correspondent:

JANICE ALVERSON

14910 AIRLINE ROAD

BUILDING 20

ROSHARON, TX 77583

Assignment: 2

Reel/Frame:

019919/0338

Recorded: 10/04/2007

Pages: 10

Conveyance:

CORRECTIVE ASSIGNMENT TO CORRECT THE MISSING PAGE OF THE ASSIGNMENT DOCUMENT ATTACHMENT (PAGE NUMBER 2) PREVIOUSLY RECORDED ON REEL 019894 FRAME 0814. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR'S INTEREST.

Assignors:

DU, MICHAEL H.

Exec Dt:

09/24/2007