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Patent Assignment Assignor Details
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Assignor Name : MITCHELL, KENT E.
Total Assignments: 13
Assignment: 1
Reel/Frame:005235/0127   Pages: 1
Recorded: 11/30/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MITCHELL, KENT E.
Exec Dt:
11/17/1989
2
HAWLEY, GIL R.
Exec Dt:
11/20/1989
3
GODBEHERE, DON W.
Exec Dt:
11/17/1989
Assignee
1
PHILLIPS PETROLEUM COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4988655
NONE
07443690
Correspondence name and address
C/O RICHMOND, PHILLIPS,
HITCHCOCK AND UMPHLETT
P. O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 2
Reel/Frame:005530/0568   Pages: 3
Recorded: 12/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHUBERT, PAUL F.
Exec Dt:
10/29/1990
2
BONNELL, RALPH E.
Exec Dt:
11/28/1990
3
FREEMAN, NORMAN L. JR.
Exec Dt:
11/21/1990
4
FENTRESS, DENTON C.
Exec Dt:
11/29/1990
5
MITCHELL, KENT E.
Exec Dt:
10/19/1990
6
KUBICEK, DONALD H.
Exec Dt:
10/18/1990
7
EWERT, WARREN M.
Exec Dt:
12/03/1990
Assignee
1
PHILLIPS PETROLEUM COMPANY, A CORP. OF DE
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5202298
NONE
07624800
Correspondence name and address
RICHMOND, PHILLIPS
HITCHCOCK & UMPHLETT
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 3
Reel/Frame:005529/0338   Pages: 3
Recorded: 12/03/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MITCHELL, KENT E.
Exec Dt:
11/26/1990
2
MCDANIEL, MAX P.
Exec Dt:
11/27/1990
3
WELCH, M. BRUCE
Exec Dt:
11/26/1990
4
BENHAM, ELIZABETH A.
Exec Dt:
11/27/1990
5
CONE, GROVER W.
Exec Dt:
11/27/1990
Assignee
1
PHILLIPS PETROLEUM COMPANY, A CORP. OF DE.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5047649
NONE
07594269
Correspondence name and address
EDWARD L. BOWMAN
RICHMOND, PHILLIPS, HITCHCOCK & UMPHLETT
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 4
Reel/Frame:005893/0463   Pages: 3
Recorded: 10/21/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FENTRESS, DENTON C.
Exec Dt:
10/10/1991
2
MITCHELL, KENT E.
Exec Dt:
10/10/1991
3
GODBEHERE, DON W.
Exec Dt:
10/10/1991
4
MADDOX, LARRY S.
Exec Dt:
10/10/1991
5
LOWERY, RICHARD E.
Exec Dt:
10/18/1991
6
EFNER, HOWARD F.
Exec Dt:
10/11/1991
Assignee
1
PHILLIPS PETROLEUM COMPANY A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5213785
NONE
07781532
Correspondence name and address
RICHMOND, PHILLIPS, HITCHCOCK & UMPHLETT
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 5
Reel/Frame:005958/0924   Pages: 3
Recorded: 12/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MITCHELL, KENT E.
Exec Dt:
12/13/1991
2
MARWIL, STANLEY J.
Exec Dt:
12/13/1991
Assignee
1
PHILLIPS PETROLEUM COMPANY
A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5151397
NONE
07808785
Correspondence name and address
RICHMOND, PHILLIPS,
HITCHCOCK & UMPHLETT
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 6
Reel/Frame:005981/0316   Pages: 2
Recorded: 01/07/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MITCHELL, KENT E.
Exec Dt:
01/07/1992
Assignee
1
PHILLIPS PETROLEUM COMPANY
A CORPORATION OF DE
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5244990
NONE
07817708
Correspondence name and address
RICHMOND, PHILLIPS, HITCHCOCK & UMPHLETT
P. O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 7
Reel/Frame:006245/0744   Pages: 2
Recorded: 08/31/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MITCHELL, KENT E.
Exec Dt:
07/28/1992
2
SCHUBERT, PAUL F.
Exec Dt:
08/04/1992
3
HAWLEY, GIL R.
Exec Dt:
07/30/1992
Assignee
1
PHILLIPS PETROLEUM COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5206314
NONE
07938725
Correspondence name and address
RICHMOND, PHILLIPS, HITCHCOCK & CARVER
MARIANNE H. MICHEL
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 8
Reel/Frame:006257/0843   Pages: 2
Recorded: 08/31/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MITCHELL, KENT E.
Exec Dt:
08/24/1992
2
MILLER, DAVID C.
Exec Dt:
08/28/1992
3
GODBEHERE, DON W.
Exec Dt:
08/26/1992
4
HAWLEY, GIL R.
Exec Dt:
08/26/1992
Assignee
1
PHILLIPS PETROLEUM COMPANY
A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5235011
NONE
07938922
Correspondence name and address
MARIANNE H. MICHEL
RICHMOND, PHILLIPS, HITCHCOCK & CARVER
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 9
Reel/Frame:007841/0513   Pages: 2
Recorded: 02/12/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MITCHELL, KENT E.
Exec Dt:
02/09/1996
Assignee
1
PHILLIPS PETROLEUM COMPANY, A CORP. OF DE
BARTLESVILLE, OKLAHOMA 74004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5746908
NONE
08599913
Correspondence name and address
RICHMOND, PHILLIPS, HITCHCOCK & FISH
LUCAS K. SHAY
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 10
Reel/Frame:009867/0907   Pages: 2
Recorded: 03/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MITCHELL, KENT E.
Exec Dt:
02/25/1999
Assignee
1
PHILLIPS PETROLEUM COMPANY
BARTLESVILLE, OKLAHOMA 74004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6153100
NONE
09222657
Correspondence name and address
ROPER & QUIGG
ARCHIE W. UMPHLETT
CRYSTAL PARK 3, SUITE 410
2231 CRYSTAL DRIVE
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:011615/0147   Pages: 3
Recorded: 03/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITCHELL, KENT E.
Exec Dt:
03/12/2001
2
GLASS, GARY L.
Exec Dt:
03/12/2001
3
KIRCHMAN, L. MATTHEW
Exec Dt:
03/12/2001
4
PROVENCE, ROBERT K.
Exec Dt:
03/12/2001
5
FORD, LEIGH A.
Exec Dt:
03/12/2001
6
MUNINGER, RANDALL S.
Exec Dt:
03/12/2001
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP, A DELAWARE LIMITED PARTNERSHIP
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6534609
US20020177676
09805277
Correspondence name and address
CHEVRON PHILLIPS CHEMICAL COMPANY LP
EDWARD L. BOWMAN
SUITE 3447
1301 MCKINNEY
HOUSTON, TX 77010
Assignment: 12
Reel/Frame:031827/0388   Pages: 7
Recorded: 12/20/2013
Attorney Dkt #:4081-24000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FODOR, JEFFREY S.
Exec Dt:
12/18/2013
2
CHILDRESS, R. SHAWN
Exec Dt:
12/18/2013
3
MITCHELL, KENT E.
Exec Dt:
12/18/2013
4
HURST, KENDALL M.
Exec Dt:
12/18/2013
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150175748
14135219
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 500
PLANO, TX 75024
Assignment: 13
Reel/Frame:066223/0307   Pages: 12
Recorded: 01/24/2024
Attorney Dkt #:212170US03-60293.0253USC2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KREISCHER, BRUCE E.
Exec Dt:
01/19/2024
2
HURST, KENDALL M.
Exec Dt:
01/18/2024
3
SCHWERDTFEGER, ERIC D.
Exec Dt:
01/22/2024
4
BISCHOF, STEVEN M.
Exec Dt:
01/22/2024
5
FERN, JARED T.
Exec Dt:
01/17/2024
6
MITCHELL, KENT E.
Exec Dt:
01/18/2024
7
HILLIER, JAMES
Exec Dt:
01/23/2024
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
P.O. BOX 4910
THE WOODLANDS, TEXAS 77387-4910
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
11572324
NONE
17469986
 
11753356
US20230081124
18057803
 
NONE
US20230331642
18340077
Correspondence name and address
CHEVRON PHILLIPS CHEMICAL COMPANY LP
P.O. BOX 4910
THE WOODLANDS, TX 77387-4910

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