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Patent Assignment Assignor Details
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Assignor Name : KALFAYAN, LEONARD J.
Total Assignments: 13
Assignment: 1
Reel/Frame:004328/0465   Pages: 1
Recorded: 11/16/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WATKINS, DAVID R.
Exec Dt:
06/14/1983
2
KALFAYAN, LEONARD J.
Exec Dt:
06/14/1983
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, LOS ANGELES, CA A CORP OF CA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4498538
NONE
06506537
Correspondence name and address
GERALD L. FLOYD
PATENT DEPT., UNION OIL CO. OF CALIF.
P. O. BOX 76
BREA, CA 92621
Assignment: 2
Reel/Frame:004425/0765   Pages: 1
Recorded: 07/08/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WATKINS, DAVID R.
Exec Dt:
12/21/1983
2
KALFAYAN, LEONARD J.
Exec Dt:
12/21/1983
Assignee
1
CALIFORNIA, UNION OIL COMPANY OF
A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4580633
NONE
06564237
Correspondence name and address
ROBERT A. FRANKS
PAT. DEPT., UNION OIL CO. OF CALIF.
P.O. BOX 76
BREA, CA 92621
Assignment: 3
Reel/Frame:004289/0104   Pages: 1
Recorded: 08/15/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KALFAYAN, LEONARD J.
Exec Dt:
07/25/1984
2
WATKINS, DAVID R.
Exec Dt:
07/25/1984
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
A CORP OF CA.
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4479543
NONE
06518097
Correspondence name and address
ROBERT A. FRANKS
UNION OIL COMPANY OF CALIFORNIA
POST OFFICE BOX 76
BREA, CALIFORNIA 92621
Assignment: 4
Reel/Frame:004569/0915   Pages: 1
Recorded: 06/30/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WATKINS, DAVID R.
Exec Dt:
06/28/1985
2
KALFAYAN, LEONARD J.
Exec Dt:
06/28/1985
3
HEWGILL, GREGORY S.
Exec Dt:
06/28/1985
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4646835
NONE
06750319
Correspondence name and address
ROBERT A. FRANKS
UNION OIL COMPANY OF CALIFORNIA
P. O. BOX 76, PAT. DEPT.
BREA, CA 92621
Assignment: 5
Reel/Frame:004724/0575   Pages: 1
Recorded: 06/18/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KALFAYAN, LEONARD J.
Exec Dt:
11/21/1985
2
WATKINS, DAVID R.
Exec Dt:
11/21/1985
3
HEWGILL, GREGORY S.
Exec Dt:
11/21/1985
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, A CORP OF CA.
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4708207
NONE
06800532
Correspondence name and address
ROBERT A. FRANKS
PATENT DEPT........
UNION OIL CO. OF CALIFORNIA
P. O. BOX 76
BREA, CA 92621
Assignment: 6
Reel/Frame:004626/0752   Pages: 1
Recorded: 10/30/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HEWGILL, GREGORY S.
Exec Dt:
10/30/1986
2
WATKINS, DAVID R.
Exec Dt:
10/30/1986
3
KALFAYAN, LEONARD J.
Exec Dt:
10/30/1986
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4787453
NONE
06924938
Correspondence name and address
ROBERT A. FRANKS
PATENT DEPARTMENT
UNION OIL CO. OF CALIFORNIA
P.O. BOX 76
BREA, CA 92621
Assignment: 7
Reel/Frame:005629/0160   Pages: 2
Recorded: 02/28/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HEWGILL, GREGORY S.
Exec Dt:
02/28/1991
2
KALFAYAN, LEONARD J.
Exec Dt:
02/28/1991
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, DBA UNOCAL, A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5105887
NONE
07663267
Correspondence name and address
SHLOMO R. FRIEMAN
PATENT DEPT.
UNION OIL COMPANY OF CALIFORNIA
P.O. BOX 7600
BREA, CA 92622-7600
Assignment: 8
Reel/Frame:014148/0323   Pages: 4
Recorded: 06/05/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KALFAYAN, LEONARD J.
Exec Dt:
05/09/2003
2
DAWSON, JEFFREY C.
Exec Dt:
05/09/2003
Assignee
1
BJ SERVICES COMPANY
5500 NW CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040177957
10386160
Correspondence name and address
MICHELLE ESCOBEDO
DOCKET COORDINATOR
600 TRAVIS
3400 JP MORGAN CHASE TOWER
HOUSTON, TX 77002
Assignment: 9
Reel/Frame:016909/0251   Pages: 5
Recorded: 08/18/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAWSON, JEFFREY C.
Exec Dt:
08/05/2005
2
KALFAYAN, LEONARD J.
Exec Dt:
08/05/2005
3
BROCK, GENE F.
Exec Dt:
07/07/2005
Assignee
1
BJ SERVICES COMPANY
5500 NW CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070039732
11206708
Correspondence name and address
BETH A. SANDERS
JONES & SMITH, LLP
2777 ALLEN PARKWAY
SUITE 800
HOUSTON, TX 77019-2129
Assignment: 10
Reel/Frame:017356/0197   Pages: 8
Recorded: 12/12/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAWSON, JEFFREY C.
Exec Dt:
11/09/2005
2
KALFAYAN, LEONARD J.
Exec Dt:
11/09/2005
3
JAVORA, PAUL H.
Exec Dt:
11/09/2005
4
VORDERBRUGGEN, MARK
Exec Dt:
11/07/2005
5
QU, QI
Exec Dt:
11/09/2005
6
KIRK, JOSEPH W.
Exec Dt:
10/26/2005
Assignee
1
BJ SERVICES COMPANY
5500 NW CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060065396
11199378
Correspondence name and address
JOHN WILSON JONES
SUITE 800
2777 ALLEN PARKWAY
HOUSTON, TX 77019-2129
Assignment: 11
Reel/Frame:018314/0202   Pages: 6
Recorded: 09/13/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KALFAYAN, LEONARD J.
Exec Dt:
09/11/2006
2
WOOD, WILLIAM D.
Exec Dt:
09/08/2006
3
CUTLER, JENNIFER
Exec Dt:
09/06/2006
4
DEVINE, CAROLYN S.
Exec Dt:
09/06/2006
Assignee
1
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD.
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7603896
US20070062273
11520549
Correspondence name and address
JOHN WILSON JONES
SUITE 800
2777 ALLEN PARKWAY
HOUSTON, TX 77019-2129
Assignment: 12
Reel/Frame:019153/0209   Pages: 6
Recorded: 03/30/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JAVORA, PAUL H.
Exec Dt:
03/28/2007
2
QU, QI
Exec Dt:
03/28/2007
3
BEALL, BRIAN B.
Exec Dt:
03/28/2007
4
KALFAYAN, LEONARD J.
Exec Dt:
03/28/2007
Assignee
1
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD.
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080210428
11731388
Correspondence name and address
JOHN WILSON JONES
2777 ALLEN PARKWAY
SUITE 800
HOUSTON, TX 77019-2129
Assignment: 13
Reel/Frame:020792/0831   Pages: 8
Recorded: 04/11/2008
Attorney Dkt #:020569-17101 (P207-1592
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHENSON, CHRISTOPHER JOHN
Exec Dt:
04/02/2008
2
DAWSON, JEFFREY C.
Exec Dt:
04/04/2008
3
KALFAYAN, LEONARD J.
Exec Dt:
04/02/2008
4
QU, QI
Exec Dt:
04/02/2008
5
STOLYAROV, SERGEY
Exec Dt:
04/02/2008
Assignee
1
BJ SERVICES COMPANY
4601 WESTWAY PARK BOULEVARD
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080182761
12019723
Correspondence name and address
JONES & SMITH , LLP
2777 ALLEN PARKWAY
SUITE 800
HOUSTON, TX 77019

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