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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : HIRTH, DAVID E.
Total Assignments: 13
Assignment: 1
Reel/Frame:009047/0858   Pages: 3
Recorded: 03/17/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/17/1997
2
Exec Dt:
09/26/1977
3
Exec Dt:
09/16/1997
Assignee
1
3900 ESSEX LANE
HOUSTON, TEXAS 77207
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08919898
Correspondence name and address
FISHMAN, DIONNE, CANTOR & COLBURN
KEITH J. MURPHY
88 DAY HILL RD.
WINDSOR, CT 06095
Assignment: 2
Reel/Frame:010536/0300   Pages: 3
Recorded: 02/01/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/15/1999
2
Exec Dt:
01/18/2000
Assignee
1
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09439325
Correspondence name and address
DUANE, MORRIS & HECKSCHER LLP
STEVE ROSENBLATT, ESQ.
ONE LIBERTY PLACE
PHILADELPHIA, PA 19103-7396
Assignment: 3
Reel/Frame:012572/0436   Pages: 3
Recorded: 01/31/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/29/2002
2
Exec Dt:
01/30/2002
Assignee
1
SUITE 600
515 POST OAK BOULEVARD
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10066460
Correspondence name and address
MOSER, PATTERSON & SHERIDAN L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 4
Reel/Frame:013404/0003   Pages: 7
Recorded: 10/21/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/11/2002
2
Exec Dt:
10/09/2002
3
Exec Dt:
10/09/2002
Assignee
1
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10227148
Correspondence name and address
MOSER, PATTERSON & SHERIDAN
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 5
Reel/Frame:013544/0972   Pages: 3
Recorded: 11/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/25/2002
Assignee
1
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10304483
Correspondence name and address
MOSER, PATTERSON & SHERIDAN LLP
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77058
Assignment: 6
Reel/Frame:013576/0694   Pages: 5
Recorded: 04/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/30/2003
2
Exec Dt:
01/31/2003
Assignee
1
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10313920
Correspondence name and address
MOSER, PATTERSON & SHERIDAN LLP
WILLIAM P. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 7
Reel/Frame:014422/0372   Pages: 8
Recorded: 03/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/18/2003
2
Exec Dt:
02/18/2003
3
Exec Dt:
03/05/2003
Assignee
1
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10317013
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056
Assignment: 8
Reel/Frame:018370/0636   Pages: 6
Recorded: 10/10/2006
Attorney Dkt #:WEAT/0197.C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/18/2003
2
Exec Dt:
02/18/2003
3
Exec Dt:
03/05/2003
Assignee
1
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11079716
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 9
Reel/Frame:013661/0242   Pages: 3
Recorded: 05/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/07/2003
Assignee
1
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10386162
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77056
Assignment: 10
Reel/Frame:014318/0893   Pages: 5
Recorded: 07/28/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/16/2003
2
Exec Dt:
07/17/2003
Assignee
1
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10427726
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TX 77056
Assignment: 11
Reel/Frame:014358/0792   Pages: 3
Recorded: 08/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
07/17/2003
Assignee
1
515 POST OAK BLVD.
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10429168
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TEXAS 77056
Assignment: 12
Reel/Frame:015158/0165   Pages: 4
Recorded: 09/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/09/2004
2
Exec Dt:
08/18/2004
Assignee
1
515 POST OAK BOULEVARD
SUITE 1500
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10850349
Correspondence name and address
MOSER, PATTERSON & SHERIDAN, L.L.P.
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TX 77056-6582
Assignment: 13
Reel/Frame:051591/0577   Pages: 10
Recorded: 01/23/2020
Attorney Dkt #:IS15.1092-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/03/2017
2
Exec Dt:
06/08/2018
3
Exec Dt:
03/09/2017
4
Exec Dt:
08/30/2019
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15752273
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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