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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 : STEPP, LEE W.
Total Assignments: 12
Assignment: 1
Reel/Frame:003953/0706   Pages: 1
Recorded: 01/07/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
12/30/1981
Assignee
1
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06326681
Correspondence name and address
ALAN T. MC COLLOM
LANEY, DOUGHERTY, HESSIN & BEAVERS
STE. 900, 101 PARK AVE.
OKLAHOMA CITY, OK 73102
Assignment: 2
Reel/Frame:004383/0457   Pages: 2
Recorded: 04/05/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/28/1985
2
Exec Dt:
03/28/1985
Assignee
1
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06703629
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 3
Reel/Frame:004383/0505   Pages: 2
Recorded: 04/08/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/28/1985
2
Exec Dt:
03/28/1985
3
Exec Dt:
03/28/1985
Assignee
1
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06703623
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 4
Reel/Frame:004517/0657   Pages: 2
Recorded: 02/07/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/06/1986
2
Exec Dt:
02/06/1986
Assignee
1
DUNKAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06827993
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 5
Reel/Frame:004538/0740   Pages: 3
Recorded: 04/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/24/1986
2
Exec Dt:
04/24/1986
3
Exec Dt:
03/06/1986
Assignee
1
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06827993
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 6
Reel/Frame:004567/0860   Pages: 2
Recorded: 05/27/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/22/1986
2
Exec Dt:
05/22/1986
3
Exec Dt:
05/22/1986
Assignee
1
A CORP OF DE
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06858141
Correspondence name and address
JOSEPH A. WALKOWSKI
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 7
Reel/Frame:004596/0659   Pages: 2
Recorded: 08/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/26/1986
2
Exec Dt:
08/26/1986
Assignee
1
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06892004
Correspondence name and address
JOSEPH A. WALKOWSKI
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 8
Reel/Frame:005719/0904   Pages: 3
Recorded: 06/06/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/03/1991
2
Exec Dt:
05/31/1991
Assignee
1
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07642491
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES,
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 9
Reel/Frame:006481/0416   Pages: 5
Recorded: 03/30/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/25/1993
2
Exec Dt:
03/19/1993
3
Exec Dt:
03/22/1993
4
Exec Dt:
03/22/1993
Assignee
1
JAMES R. DUZAN
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08010225
Correspondence name and address
JAMES R. DUZAN
HILLIBURTON SERVICES
P.O. BOX 1431
DUNCAN, OK 73536
Assignment: 10
Reel/Frame:006722/0408   Pages: 4
Recorded: 10/04/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/27/1993
2
Exec Dt:
09/28/1993
3
Exec Dt:
09/28/1993
Assignee
1
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08107486
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OK 73536
Assignment: 11
Reel/Frame:006737/0756   Pages: 4
Recorded: 10/18/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/06/1993
2
Exec Dt:
10/08/1993
3
Exec Dt:
10/08/1993
Assignee
1
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08080610
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JAMES R. DUZAN
P.O. BOX 1431
DUNCAN, OH 73536
Assignment: 12
Reel/Frame:011949/0740   Pages: 7
Recorded: 07/11/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/10/2000
2
Exec Dt:
07/10/2000
3
Exec Dt:
07/10/2000
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09613857
Correspondence name and address
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
PO BOX 1431
DUNCAN, OK 73536-0440

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