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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
11/02/2010
Application #:
12358292
Filing Dt:
01/23/2009
Inventor:
John H. Williams
Title:
METHOD FOR MONITORING DRILLING MUD PROPERTIES
Assignment: 1
Reel/Frame:
022144/0229Recorded: 01/23/2009Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/22/2009
Assignee:
2727 CHEMSEARCH BLVD.
IRVING, TEXAS 75062
Correspondent:
LOCKE LORD BISSELL & LIDDELL LLP ATTN: M
2200 ROSS AVENUE
SUITE # 2200
DALLAS, TX 75201-6776
Assignment: 2
Reel/Frame:
039663/0066Recorded: 09/07/2016Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/07/2016
Assignee:
320 SOMERULOS STREET
BATON ROUGE, LOUISIANA 70802
Correspondent:
NCH CORPORATION
2727 CHEMSEARCH BOULEVARD
6N LEGAL
IRVING, TX 75062
Assignment: 3
Reel/Frame:
039960/0144Recorded: 10/06/2016Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/01/2016
Assignee:
ROTHAUSSTRASSE 61
MUTTENZ, SWITZERLAND CH-4132
Correspondent:
ANTHONY A. BISULCA
4000 MONROE ROAD
INTELLECTUAL PROPERTY DEPARTMENT
CHARLOTTE, NC 28205

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