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Patent Assignment Assignor Details
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Assignor Name : EWERT, WARREN M.
Total Assignments: 9
Assignment: 1
Reel/Frame:004811/0253   Pages: 1
Recorded: 10/23/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
EWERT, WARREN M.
Exec Dt:
10/22/1987
2
KUBICEK, DONALD H.
Exec Dt:
10/22/1987
3
DRAKE, CHARLES A.
Exec Dt:
10/21/1987
Assignee
1
PHILLIPS PETROLEUM COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4810688
NONE
07112802
Correspondence name and address
WILLIAMS, PHILLIPS & 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:005794/0768   Pages: 3
Recorded: 08/02/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRINKMEYER, FRANCIS M.
Exec Dt:
07/19/1991
2
EWERT, WARREN M.
Exec Dt:
07/19/1991
3
FOX, HOMER M.
Exec Dt:
07/19/1991
4
ROHR, D. F., JR.
Exec Dt:
07/26/1991
Assignee
1
PHILLIPS PETROLEUM COMPANY
A CORPORATION OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5235121
NONE
07739823
Correspondence name and address
DENNIS D. BROWN
LANEY, DOUGHERTY, HESSIN & BEAVERS
WILLIAMS CENTER TOWER I, STE. 1110
ONE WEST 3RD ST.
TULSA, OK 74103
Assignment: 4
Reel/Frame:007798/0674   Pages: 2
Recorded: 12/13/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNT, HAROLD R.
Exec Dt:
12/12/1995
2
SCHARRE, MARK D.
Exec Dt:
12/12/1995
3
EWERT, WARREN M.
Exec Dt:
12/13/1995
Assignee
1
PHILLIPS PETROLEUM COMPANY A CORP. OF DELAWARE
BARTLESVILLE, OKLAHOMA 74004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5750798
NONE
08573219
Correspondence name and address
RICHMOND, PHILLIPS, HITCHCOCK & FISH
CHARLES W. STEWART
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 5
Reel/Frame:007916/0139   Pages: 2
Recorded: 03/08/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNT, HAROLD R.
Exec Dt:
03/07/1996
2
EWERT, WARREN M.
Exec Dt:
03/08/1996
3
SCHARRE, MARK D.
Exec Dt:
03/07/1996
Assignee
1
PHILLIPS PETROLEUM COMPANY
BARTLESVILLE, OKLAHOMA 74004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5689015
NONE
08613267
Correspondence name and address
RICHMOND, PHILLIPS, HITCHCOCK
& FISH
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 6
Reel/Frame:010656/0467   Pages: 2
Recorded: 03/06/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KREISCHER, BRUCE E.
Exec Dt:
01/24/2000
2
EWERT, WARREN M.
Exec Dt:
01/24/2000
3
KNUDSEN, RONALD D.
Exec Dt:
01/24/2000
Assignee
1
PHILLIPS PETROLEUM COMPANY
BARTLESVILLE, OKLAHOMA 74004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6380451
NONE
09474306
Correspondence name and address
RICHMOND, HITCHCOCK, FISH ET AL.
LYNDA S. JOLLY
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 7
Reel/Frame:010564/0915   Pages: 3
Recorded: 02/22/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FREEMAN, JEFFREY W.
Exec Dt:
01/29/2000
2
EWERT, WARREN M.
Exec Dt:
01/27/2000
3
KREISCHER, BRUCE E.
Exec Dt:
01/27/2000
4
KNUDSEN, RONALD D.
Exec Dt:
01/27/2000
5
COWAN, GLYNDAL D.
Exec Dt:
01/27/2000
Assignee
1
PHILLIPS PETROLEUM COMPANY
BARTLESVILLE, OKLAHOMA 74004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6455648
NONE
09474067
Correspondence name and address
RICHMOND, HITCHCOCK, FISH & DOLLAR
LYNDA S. JOLLY
PO BOX 2443
BARTLESVILLE, OK 74005
Assignment: 8
Reel/Frame:029870/0589   Pages: 4
Recorded: 02/25/2013
Attorney Dkt #:33890US02 (4081-14201)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNUDSEN, RONALD D.
Exec Dt:
03/10/2004
2
EWERT, WARREN M.
Exec Dt:
03/10/2004
3
KREISCHER, BRUCE E.
Exec Dt:
03/08/2004
Assignee
1
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TEXAS 77380
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130102828
13709523
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 750
PLANO, TX 75024
Assignment: 9
Reel/Frame:016432/0106   Pages: 3
Recorded: 04/04/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, RONALD E.
Exec Dt:
03/29/2005
2
EWERT, WARREN M.
Exec Dt:
03/29/2005
Assignee
1
CONOCOPHILLIPS COMPANY
600 NORTH DAIRY ASHFORD (77079-1175)
P.O. BOX 2197
HOUSTON, TEXAS 77252-2197
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7473350
US20060151358
11034796
Correspondence name and address
CONOCOPHILLIPS COMPANY-I.P. LEGAL
BRONWYN WELVAERT
P.O. BOX 2443
BARTLESVILLE, OK 74005

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