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Patent Assignment Assignee Details
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Assignee Name : DUHN OIL TOOL, INC.
Total Assignments: 19
Assignment: 1
Reel/Frame:006547/0958   Pages: 3
Recorded: 02/22/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, JAY C.
Exec Dt:
01/20/1993
2
DUHN, REX E.
Exec Dt:
01/20/1993
3
WEBSTER, KENNETH D.
Exec Dt:
01/20/1993
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5265328
NONE
07989203
Correspondence name and address
CHRISTIE, PARKER & HALE
RICHARD D. SEIBEL
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 2
Reel/Frame:006946/0189   Pages: 4
Recorded: 04/18/1994
Conveyance: TO CORRECT PREVIOUS RECORDED ON REEL 6547 FRAME 958
Assignors
1
DUHN, JAY C.
Exec Dt:
01/20/1993
2
DUHN, REX E.
Exec Dt:
01/20/1993
3
WEBSTER, KENNETH D.
Exec Dt:
01/20/1993
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5303774
NONE
07989202
Correspondence name and address
CHRISTIE, PARKER & HALE
RICHARD D. SEIBEL
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 3
Reel/Frame:009861/0085   Pages: 2
Recorded: 03/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUHN, REX E.
Exec Dt:
03/19/1999
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93808
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6199914
NONE
09274857
Correspondence name and address
CHRISTIE, PARKER & HALE
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 4
Reel/Frame:020201/0112   Pages: 2
Recorded: 12/05/2007
Attorney Dkt #:58397/D190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUHN, REX E.
Exec Dt:
03/19/1999
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
RE43773
NONE
11581229
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
POST OFFICE BOX 7068
PASADENA, CA 91109-7068
Assignment: 5
Reel/Frame:012591/0088   Pages: 3
Recorded: 02/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEEK, ROBERT K.
Exec Dt:
08/08/2000
2
DUHN, REX E.
Exec Dt:
08/08/2000
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020070545
10071740
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 6
Reel/Frame:011591/0319   Pages: 3
Recorded: 03/02/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEEK, ROBERT K.
Exec Dt:
02/28/2001
2
DUHN, REX E.
Exec Dt:
02/28/2001
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6543533
US20020121367
09798436
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 7
Reel/Frame:012181/0050   Pages: 3
Recorded: 09/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARD, GARY A.
Exec Dt:
09/14/2001
2
MEEK, ROBERT K.
Exec Dt:
09/14/2001
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6588510
US20030051884
09954354
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 8
Reel/Frame:013794/0699   Pages: 3
Recorded: 02/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
02/15/2003
2
MEEK, ROBERT K.
Exec Dt:
02/15/2003
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6920925
US20030221823
10369070
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTATINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 9
Reel/Frame:015830/0464   Pages: 4
Recorded: 09/23/2004
Attorney Dkt #:53250/CM/D190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7493944
US20050092496
10947778
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 10
Reel/Frame:020160/0686   Pages: 4
Recorded: 11/19/2007
Attorney Dkt #:56254/D190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7322407
US20060060349
11272289
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
POST OFFICE BOX 7068
PASADENA, CA 91109-7068
Assignment: 11
Reel/Frame:020955/0700   Pages: 4
Recorded: 05/15/2008
Attorney Dkt #:60164/D190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7416020
US20070272402
11891431
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 12
Reel/Frame:021137/0530   Pages: 4
Recorded: 06/23/2008
Attorney Dkt #:61128/D190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7726393
US20080223570
12154338
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 13
Reel/Frame:022030/0888   Pages: 4
Recorded: 12/26/2008
Attorney Dkt #:60985/D190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7520322
US20080093067
12001621
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 14
Reel/Frame:026904/0622   Pages: 4
Recorded: 09/14/2011
Attorney Dkt #:65044/D190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8272433
US20100193178
12757940
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 15
Reel/Frame:028548/0160   Pages: 4
Recorded: 07/13/2012
Attorney Dkt #:69660/S1358 - CM
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8333237
US20120227956
13480410
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 29001
GLENDALE, CA 91209
Assignment: 16
Reel/Frame:030218/0148   Pages: 4
Recorded: 04/15/2013
Attorney Dkt #:71105/CM/S1358
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHN, REX E.
Exec Dt:
09/22/2004
2
MEEK, ROBERT K.
Exec Dt:
09/22/2004
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8863829
US20130068447
13671415
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
P.O. BOX 29001
GLENDALE, CA 91209
Assignment: 17
Reel/Frame:027265/0961   Pages: 7
Recorded: 11/22/2011
Attorney Dkt #:9097-34
Conveyance: RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor
1
FREEPORT FINANCIAL LLC, AS AGENT
Exec Dt:
11/18/2011
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5303774
NONE
07989202
 
6199914
NONE
09274857
 
6543533
US20020121367
09798436
 
6588510
US20030051884
09954354
 
RE43697
NONE
10325047
 
6920925
US20030221823
10369070
 
7493944
US20050092496
10947778
 
7322407
US20060060349
11272289
 
RE43773
NONE
11581229
 
7416020
US20070272402
11891431
 
7520322
US20080093067
12001621
 
7726393
US20080223570
12154338
 
8272433
US20100193178
12757940
Correspondence name and address
LAURA KONRATH
35 W WACKER DRIVE
WINSTON & STRAWN LLP, SUITE 2800
CHICAGO, IL 60601
Assignment: 18
Reel/Frame:027387/0620   Pages: 5
Recorded: 12/15/2011
Attorney Dkt #:453666-610006
Conveyance: RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor
1
FREEPORT FINANCIAL LLC, AS AGENT
Exec Dt:
12/14/2011
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5303774
NONE
07989202
 
5611398
NONE
08534127
 
6199914
NONE
09274857
 
6543533
US20020121367
09798436
 
6588510
US20030051884
09954354
 
RE43697
NONE
10325047
 
6920925
US20030221823
10369070
 
7493944
US20050092496
10947778
 
7322407
US20060060349
11272289
 
RE43773
NONE
11581229
 
7416020
US20070272402
11891431
 
8272433
US20100193178
12757940
Correspondence name and address
ANDREW DOHERTY
1420 PEACHTREE STREET, N.E.
SUITE 800
ATLANTA, GA 30309
Assignment: 19
Reel/Frame:042763/0586   Pages: 7
Recorded: 06/12/2017
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE INCORRECT PATENT NO. 7332407 PREVIOUSLY RECORDED AT REEL: 027387 FRAME: 0620. ASSIGNOR(S) HEREBY CONFIRMS THE RELEASE BY SECURED PARTY.
Assignor
1
FREEPORT FINANCIAL LLC., AS AGENT
Exec Dt:
12/14/2011
Assignee
1
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE
BAKERSFIELD, CALIFORNIA 93308
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5303774
NONE
07989202
 
5611398
NONE
08534127
 
6199914
NONE
09274857
 
6543533
US20020121367
09798436
 
6588510
US20030051884
09954354
 
RE43697
NONE
10325047
 
6920925
US20030221823
10369070
 
7493944
US20050092496
10947778
 
7322407
US20060060349
11272289
 
RE43773
NONE
11581229
 
7416020
US20070272402
11891431
 
8272433
US20100193178
12757940
Correspondence name and address
MICHAEL J. BRUNER
1420 PEACHTREE STREET, N.E.
ATLANTA, GA 30309

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