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Patent Assignment Assignor Details
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Assignor Name : ROOF, GLENN L.
Total Assignments: 14
Assignment: 1
Reel/Frame:004351/0034   Pages: 1
Recorded: 01/22/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WANG, SOPHIA
Exec Dt:
10/13/1983
2
ROOF, GLENN L.
Exec Dt:
10/13/1983
3
PORLIER, BETH W.
Exec Dt:
10/13/1983
Assignee
1
NALCO CHEMICAL COMPANY
A CORP OF DE
NOT PROVIDED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4514286
NONE
06544163
Correspondence name and address
JOHN G. PREMO
PAT. & LICENSING DEPT.
NALCO CHEM. CO., 2901 BUTTERFIELD RD.
OAK BROOK, IL 60521
Assignment: 2
Reel/Frame:004434/0971   Pages: 1
Recorded: 07/15/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RIES, DONALD G.
Exec Dt:
07/10/1985
2
ROOF, GLENN L.
Exec Dt:
07/10/1985
Assignee
1
NALCO CHEMICAL COMPANY, A CORP. OF DE.
OAK BROOK,, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4600518
NONE
06754720
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL CO.
2901 BUTTERFIELD RD.
OAK BROOK, IL 60521
Assignment: 3
Reel/Frame:004496/0698   Pages: 1
Recorded: 12/16/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROOF, GLENN L.
Exec Dt:
12/09/1985
2
PORLIER, BETH W.
Exec Dt:
12/09/1985
3
CRAVEY, WESLEY E.
Exec Dt:
12/09/1985
Assignee
1
NALCO CHEMICAL COMPANY
A CORP OF DELAWARE
OAK BROOK, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4594147
NONE
06809652
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL COMPANY
2901 BUTTRERFIELD ROAD
OAK BROOK, IL 60521
Assignment: 4
Reel/Frame:005843/0843   Pages: 5
Recorded: 09/09/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROOF, GLENN L.
Exec Dt:
09/03/1991
2
KREMER, LAWRENCE N.
Exec Dt:
09/03/1991
Assignee
1
BAKER HUGHES INCORPORATED, A CORP. OF DE
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5183560
NONE
07756446
Correspondence name and address
TIM L. BURGESS
ROSENBLATT & ASSOCIATES
ONE GREENWAY PLAZA, STE. 500
HOUSTON, TX 77046
Assignment: 5
Reel/Frame:005857/0951   Pages: 3
Recorded: 09/18/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROOF, GLENN L.
Exec Dt:
09/17/1991
2
KREMER, LAWRENCE N.
Exec Dt:
09/17/1991
3
MARKET, ROBERT V.
Exec Dt:
09/17/1991
Assignee
1
BAKER HUGHES INCORPORATED
A CORP. OF DELAWARE
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5190640
NONE
07761467
Correspondence name and address
TIM L. BURGESS
ROSENBLATT & ASSOCIATES
ONE GREENWAY PLAZA
SUITE 500
HOUSTON, TX 77046
Assignment: 6
Reel/Frame:005993/0962   Pages: 6
Recorded: 12/20/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KREMER, LAWRENCE N.
Exec Dt:
12/19/1991
2
LINK, JOHN
Exec Dt:
12/19/1991
3
ROOF, GLENN L.
Exec Dt:
12/19/1991
Assignee
1
BAKER HUGHES INCORPORATED A CORP. OF DELAWARE
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5213680
NONE
07812118
Correspondence name and address
TIM L. BURGESS
ROSENBLATT & ASSOCIATES
ONE GREENWAY PLAZA, SUITE 500
HOUSTON, TEXAS 77027
Assignment: 7
Reel/Frame:007491/0647   Pages: 3
Recorded: 05/11/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROOF, GLENN L.
Exec Dt:
05/10/1995
Assignee
1
BAKE HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5527447
NONE
08438710
Correspondence name and address
PAULA D. MORRIS
ROSENBLATT & REDANO, P.C.
ONE GREENWAY PLAZA, SUITE 500
HOUSTON, TX 77046
Assignment: 8
Reel/Frame:007514/0174   Pages: 3
Recorded: 05/11/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROOF, GLENN L.
Exec Dt:
05/10/1995
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5614080
NONE
08439429
Correspondence name and address
PAULA D. MORRIS
ROSENBLATT & REDANO, P.C.
ONE GREENWAY PLAZA
SUITE 500
HOUSTON, TX 77046
Assignment: 9
Reel/Frame:007689/0896   Pages: 3
Recorded: 10/17/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROOF, GLENN L.
Exec Dt:
05/10/1995
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5527447
NONE
08438710
Correspondence name and address
PAULA D. MORRIS
ROSENBLATT & REDANO, P.C.
ONE GREENWAY PLAZA
SUITE 500
HOUSTON, TX 77046
Assignment: 10
Reel/Frame:007545/0074   Pages: 4
Recorded: 05/25/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROOF, GLENN L.
Exec Dt:
05/24/1995
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5700368
NONE
08450366
Correspondence name and address
PAULA D. MORRIS
ROSENBLATT & REDANO, P.C.
ONE GREENWAY PLAZA
SUITE 500
HOUSTON, TEXAS 77046
Assignment: 11
Reel/Frame:009935/0857   Pages: 3
Recorded: 05/03/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROOF, GLENN L.
Exec Dt:
04/27/1999
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5891263
NONE
08815612
Correspondence name and address
MADAN & MORRIS, P.C.
PAULA D. MORRIS
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TEXAS 77057-5640
Assignment: 12
Reel/Frame:010329/0880   Pages: 3
Recorded: 10/21/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROOF, GLENN L.
Exec Dt:
10/15/1999
2
SHAHID, MUSLIM D.
Exec Dt:
10/15/1999
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6342647
NONE
09391970
Correspondence name and address
DAVID L. MOSSMAN
SUITE 700
2603 AUGUSTA
HOUSTON, TEXAS 77057-5640
Assignment: 13
Reel/Frame:012255/0360   Pages: 6
Recorded: 10/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
10/04/2001
2
CAPPEL, WELDON J.
Exec Dt:
10/04/2001
3
WEERS, JERRY J.
Exec Dt:
10/04/2001
4
ROOF, GLENN L.
Exec Dt:
10/08/2001
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6656445
US20020068034
09975438
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
DAVID L. MOSSMAN
2603 AUGUSTA
STE 700
HOUSTON, TX 77057-5638
Assignment: 14
Reel/Frame:015634/0463   Pages: 4
Recorded: 01/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIELD, JOHN A.
Exec Dt:
10/04/2001
2
CAPPEL, WELDON J.
Exec Dt:
10/04/2001
3
WEERS, JERRY J.
Exec Dt:
10/04/2001
4
ROOF, GLENN L.
Exec Dt:
10/08/2001
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6887447
US20040086443
10688243
Correspondence name and address
DAVID L. MOSSMAN
2603 AUGUSTA, SUITE 700
HOUTON, TX 77057

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