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Patent Assignment Assignor Details
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Assignor Name : HELIX ENERGY SOLUTIONS GROUP, INC.
Total Assignments: 3
Assignment: 1
Reel/Frame:017982/0114   Pages: 5
Recorded: 07/24/2006
Attorney Dkt #:060877.091142
Conveyance: SECURITY AGREEMENT
Assignor
1
Exec Dt:
07/03/2006
Assignee
1
231 LASALLE ST.
MAIL CODE IL1-231-08-30
CHICAGO, ILLINOIS 60604
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08057608
 
NONE
09246618
 
NONE
09269130
 
09898561
 
10050430
 
10117946
 
10285376
 
10842963
 
NONE
11405210
Correspondence name and address
CONSTANCE GALL RHEBERGEN
P.O. BOX 61389
HOUSTON, TX 77208-1389
Assignment: 2
Reel/Frame:030747/0560   Pages: 5
Recorded: 07/03/2013
Attorney Dkt #:060877.091142
Conveyance: SECURITY AGREEMENT SUPPLEMENT
Assignor
1
Exec Dt:
06/19/2013
Assignee
1
335 MADISON AVENUE
NEW YORK, NEW YORK 10017
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08057608
 
NONE
09269130
 
12914743
 
NONE
13168283
 
13644543
Correspondence name and address
BRACEWELL & GIULIANI LLP
P.O. BOX 61389
HOUSTON, TX 77208
Assignment: 3
Reel/Frame:043070/0622   Pages: 7
Recorded: 06/30/2017
Attorney Dkt #:060877.091142
Conveyance: AMENDED AND RESTATED PATENT SECURITY AGREEMENT SUPPLEMENT
Assignor
1
Exec Dt:
06/30/2017
Assignee
1
335 MADISON AVE.
NEW YORK, NEW YORK 10017
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08057608
 
NONE
09052540
 
NONE
09246618
 
NONE
09269130
 
09898561
 
10050430
 
10117946
 
10285376
 
10842963
 
NONE
11405210
 
12914743
 
NONE
13168283
 
13382201
 
13644543
 
13810416
 
14313777
 
NONE
14395324
 
14504967
 
14586903
 
14809212
 
NONE
14977184
 
14979164
Correspondence name and address
ELEANOR "LUCY" TYSON/ BRACEWELL LLP
711 LOUISIANA
SUITE 2300
HOUSTON, TX 77002

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