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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
07/09/1985
Application #:
06513162
Filing Dt:
07/12/1983
Inventor:
DONALD C. SIMPSON
Title:
ELECTROPNEUMATIC TRANSDUCER SYSTEM
Assignment: 1
Reel/Frame:
004159/0918Recorded: 07/12/1983Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/11/1983
Assignee:
A DE COMPANY
ROLLINGMEADOWS, ILLINOIS
Correspondent:
THOMAS R. VIGIL
417 N. HOUGH ST.
BARRINGTON, IL 60010
Assignment: 2
Reel/Frame:
004393/0548Recorded: 04/29/1985Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
10/22/1985
Assignee:
Correspondent:
MR. WILLIAM R. PEOPLES
DRESSER INDUSTRIES, INC.
P.O. BOX 718
DALLAS, TX 75221
Assignment: 3
Reel/Frame:
013403/0557Recorded: 02/05/2003Pages: 6
Conveyance:
RECORD TO CORRECT WRONG PATENT NO. 4,527,538 ON A CHANGE OF NAME DOCUMENT PREVIOUSLY RECORDED ON REEL 013333 AND FRAME 0878.
Assignor:
Exec Dt:
03/28/2001
Assignee:
15455 DALLAS PARKWAY
11TH FLOOR, MILLENNIUM 1
ADDISON, TEXAS 75001
Correspondent:
JENKENS & GILCHRIST, P.C.
P. WEATON MUSSELMAN, JR.
3200 FOUNTAIN PLACE
1445 ROSS AVENUE
DALLAS, TX 75202-2799
Assignment: 4
Reel/Frame:
013403/0563Recorded: 02/05/2003Pages: 7
Conveyance:
RECORD TO CORRECT WRONG PATENT NO. 4,527,538 ON A NUNC PRO TUNC ASSIGNMENT PREVIOUSLY RECORDED ON REEL 013333 AND FRAME 0883.
Assignor:
Exec Dt:
09/20/2002
Assignee:
2601 BELTLINE ROAD
CARROLLTON, TEXAS 75006
Correspondent:
JENKENS & GILCHRIST, P.C.
P. WESTON MUSSELMAN, JR.
3200 FOUNTAIN PLACE
1445 ROSS AVENUE
DALLAS, TEXAS 75202-2799

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