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Patent Assignment Assignor Details
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Assignor Name : LIANG, DAH-BEN
Total Assignments: 23
Assignment: 1
Reel/Frame:004034/0924   Pages: 1
Recorded: 07/12/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LIANG, DAH-BEN
Exec Dt:
07/08/1982
2
GULIBON, ROBERT S.
Exec Dt:
07/08/1982
Assignee
1
KENNAMETAL INC., A CORP. OF PA.
P.O. BOX 231
LATROBE, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4549615
NONE
06397423
Correspondence name and address
KENNAMETAL INC.
P.O. BOX 231
LATROBE, PA. 15650
Assignment: 2
Reel/Frame:006340/0600   Pages: 3
Recorded: 09/14/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LIANG, DAH-BEN
Exec Dt:
09/03/1992
2
KESHAVAN, MADAPUSI K.
Exec Dt:
09/03/1992
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5305840
NONE
07944430
Correspondence name and address
CHRISTIE, PARKER & HALE
RICHARD D. SEIBEL
P.O. BOX 7068
PASADENA, CALIFORNIA 91109-7068
Assignment: 3
Reel/Frame:006718/0086   Pages: 2
Recorded: 09/20/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KESHAVAN, MADAPUSI K.
Exec Dt:
09/04/1993
2
RUSSELL, MONTE E.
Exec Dt:
09/17/1993
3
LIANG, DAH-BEN
Exec Dt:
09/04/1993
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5370195
NONE
08123715
Correspondence name and address
CHRISTIE, PARKER & HALE
P.O. BOX 7068
PASADENA, CA 91109-7068
ATTN: RICHARD D. SEIBEL
Assignment: 4
Reel/Frame:006964/0997   Pages: 3
Recorded: 04/20/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOOPER, MICHAEL E.
Exec Dt:
04/15/1994
2
LIANG, DAH-BEN
Exec Dt:
04/15/1994
3
KESHAVAN, MADAPUSI K.
Exec Dt:
04/15/1994
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5472058
NONE
08230348
Correspondence name and address
CHRISTIE, PARKER & HALE
RICHARD D. SEIBEL
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 5
Reel/Frame:008114/0245   Pages: 3
Recorded: 09/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
07/22/1996
2
WHITE, ALYSIA C.
Exec Dt:
07/22/1996
3
KESHAVAN, MADAPUSI K.
Exec Dt:
07/22/1996
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5715899
NONE
08597476
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
GRANT T. LANGTON
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 6
Reel/Frame:008607/0609   Pages: 5
Recorded: 07/14/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
03/11/1997
2
WHITE, ALYSIA C.
Exec Dt:
03/11/1997
3
FANG, ZHIGANG
Exec Dt:
03/11/1997
4
SUE, JIINJEN ALBERT
Exec Dt:
03/10/1997
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5791422
NONE
08815745
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 7
Reel/Frame:008802/0375   Pages: 4
Recorded: 11/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
05/12/1997
2
WHITE, ALYSIA C.
Exec Dt:
05/12/1997
3
FANG, ZHIGANG
Exec Dt:
05/12/1997
4
SUE, JIINJEN ALBERT
Exec Dt:
05/12/1997
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5944127
NONE
08851383
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
ATTENTION: KENYON S. JENCKES
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 8
Reel/Frame:009710/0377   Pages: 3
Recorded: 01/15/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIANG, DAH-BEN
Exec Dt:
12/22/1998
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6197084
NONE
09231748
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
JONATHAN P. OSHA
700 LOUISIANA STREET, SUITE 4550
HOUSTON, TX 77002
Assignment: 9
Reel/Frame:010887/0540   Pages: 4
Recorded: 06/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FANG, ZHIGANG
Exec Dt:
05/31/2000
2
GRIFFO, ANTHONY
Exec Dt:
06/06/2000
3
LOCKWOOD, GREGORY T.
Exec Dt:
06/09/2000
4
LIANG, DAH-BEN
Exec Dt:
05/31/2000
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8323372
NONE
09494877
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
GRANT T. LANGTON
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 10
Reel/Frame:033590/0129   Pages: 6
Recorded: 08/21/2014
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE CONVEYING PARTY DATA NAMES PREVIOUSLY RECORDED ON REEL 031182 FRAME 0956. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FANG, ZHIGANG
Exec Dt:
05/31/2000
2
GRIFFO, ANTHONY
Exec Dt:
06/06/2000
3
LOCKWOOD, GREGORY T.
Exec Dt:
06/09/2000
4
LIANG, DAH-BEN
Exec Dt:
05/31/2000
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8956438
US20130092449
13693981
Correspondence name and address
GRANT T. LANGTON
350 SOUTH GRAND AVENUE
SUITE 2600
LOS ANGELES, CA 90071
Assignment: 11
Reel/Frame:012466/0277   Pages: 3
Recorded: 10/29/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
09/28/2001
2
WHITE, ALYSIA C.
Exec Dt:
10/03/2001
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6659206
US20030079565
10039912
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
RICHARD A. FAGIN
700 LOUISIANA, SUITE 4550
HOUSTON, TX 77002
Assignment: 12
Reel/Frame:012749/0454   Pages: 3
Recorded: 03/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
02/22/2002
2
WHITE, ALYSIA
Exec Dt:
02/22/2002
3
LOCKWOOD, GREG
Exec Dt:
02/22/2002
4
GRIFFO, ANTHONY
Exec Dt:
02/22/2002
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6782958
US20030183425
10108965
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
RICHARD A. FAGIN
1221 MCKINNEY
ONE HOUSTON CENTER, SUITE 2800
HOUSTON, TX 77010
Assignment: 13
Reel/Frame:012866/0411   Pages: 6
Recorded: 05/02/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
03/13/2002
2
PORTWOOD, GARY
Exec Dt:
04/08/2002
3
COX, PAUL E.
Exec Dt:
04/03/2002
4
WILLIAMS, JOHN L.
Exec Dt:
03/19/2002
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6655478
US20030111272
10017404
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
RICHARD A. FAGIN
1221 MCKINNEY, SUITE 2800
HOUSTON, TX 77010
Assignment: 14
Reel/Frame:014177/0624   Pages: 3
Recorded: 06/17/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
04/23/2003
2
GRIFFO, ANTHONY
Exec Dt:
04/23/2003
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7036614
US20030226693
10396261
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
JONATHAN P. OSHA
1221 MCKINNEY, SUITE 2800
HOUSTON, TX 77010
Assignment: 15
Reel/Frame:014082/0837   Pages: 4
Recorded: 05/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KESHAVAN, MADAPUSI
Exec Dt:
05/01/2003
2
GRIFFO, ANTHONY
Exec Dt:
05/01/2003
3
TRUAX, DAVID
Exec Dt:
04/28/2003
4
LIANG, DAH-BEN
Exec Dt:
04/28/2003
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7017677
US20040016557
10437750
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
CONSTANTINE MARANTIDIS
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 16
Reel/Frame:014831/0601   Pages: 4
Recorded: 07/08/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIANG, DAH-BEN
Exec Dt:
11/04/2003
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
PATENT SERVICES DEPT.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7407525
US20040140133
10700693
Correspondence name and address
SMITH INTERNATIONAL, INC.
Y. RENEE ALSANDOR
16740 HARDY STREET
HOUSTON, TX 77032
Assignment: 17
Reel/Frame:015755/0875   Pages: 3
Recorded: 09/07/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
08/23/2004
2
LOCKWOOD, GREG
Exec Dt:
08/23/2004
3
GRIFFO, ANTHONY
Exec Dt:
08/23/2004
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7128773
US20050000317
10836595
Correspondence name and address
OSHA & MAY L.L.P.
JONATHAN P. OSHA
1221 MCKINNEY ST, SUITE 2800
HOUSTON, TX 77010
05516/151002
Assignment: 18
Reel/Frame:016801/0370   Pages: 4
Recorded: 07/25/2005
Attorney Dkt #:05516/180002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRAMLETT, KENNETH
Exec Dt:
06/01/2005
2
GRIFFO, ANTHONY
Exec Dt:
07/13/2005
3
LIANG, DAH-BEN
Exec Dt:
06/01/2005
4
POTTICARY, ADAM
Exec Dt:
06/05/2005
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050252691
11083540
Correspondence name and address
JEFFREY S. BERGMAN
OSHA - LIANG LLP
1221 MCKINNEY ST., SUITE 2800
HOUSTON, TX 77010
Assignment: 19
Reel/Frame:017060/0761   Pages: 3
Recorded: 10/04/2005
Attorney Dkt #:05516/155002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOCKWOOD, GREGORY T.
Exec Dt:
08/30/2005
2
GRIFFO, ANTHONY
Exec Dt:
09/01/2005
3
LIANG, DAH-BEN
Exec Dt:
09/09/2005
4
WHITE, ALYSIA C.
Exec Dt:
09/19/2005
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7666244
US20060005662
11175120
Correspondence name and address
OSHA & LIANG LLP
JONATHAN P. OSHA
1221 MCKINNEY ST., SUITE 2800
HOUSTON, TX 77010
Assignment: 20
Reel/Frame:017092/0527   Pages: 3
Recorded: 10/19/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
09/29/2005
2
VISWANADHAM, RAMAMURTHY K.
Exec Dt:
10/04/2005
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7549912
US20070032173
11197119
Correspondence name and address
JONATHAN P. OSHA
OSHA LIANG LLP
1221 MCKINNEY ST., SUITE 2800
HOUSTON, TX 77010
Assignment: 21
Reel/Frame:017735/0868   Pages: 3
Recorded: 04/03/2006
Attorney Dkt #:05516/270001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
03/22/2006
2
GRIFFO, ANTHONY
Exec Dt:
03/22/2006
3
OLDHAM, THOMAS W.
Exec Dt:
03/21/2006
4
LOCKWOOD, GREGORY T.
Exec Dt:
03/24/2006
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7475743
US20070175669
11343225
Correspondence name and address
JEFFREY S. BERGMAN
OSHA . LIANG LLP
1221 MCKINNEY ST., SUITE 2800
HOUSTON, TX 77010
Assignment: 22
Reel/Frame:018243/0247   Pages: 3
Recorded: 09/13/2006
Attorney Dkt #:5516.216002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VISWANADHAM, RAMAMURTHY K.
Exec Dt:
08/29/2006
2
LIANG, DAH-BEN
Exec Dt:
08/09/2006
3
LOCKWOOD, GREGORY T.
Exec Dt:
08/30/2006
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8016056
US20070000699
11478559
Correspondence name and address
JEFFREY S. BERGMAN
1221 MCKINNEY STREET SUITE 2800
HOUSTON, TX 77010
Assignment: 23
Reel/Frame:024719/0171   Pages: 6
Recorded: 07/21/2010
Attorney Dkt #:05516/351002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIANG, DAH-BEN
Exec Dt:
03/31/2008
2
PORTWOOD, GARY R.
Exec Dt:
04/10/2008
3
MINIKUS, JAMES C.
Exec Dt:
03/31/2008
4
SINGH, AMARDEEP
Exec Dt:
04/14/2008
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7832506
US20080245576
12059775
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN
SUITE 3500
HOUSTON, TX 77010

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