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Patent Assignment Assignor Details
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Assignor Name : BARKER, JOHN C.
Total Assignments: 16
Assignment: 1
Reel/Frame:004197/0789   Pages: 2
Recorded: 12/07/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARKER, JOHN C.
Exec Dt:
09/21/1983
2
CRUTTWELL, IAN A.
Exec Dt:
09/21/1983
Assignee
1
CAMBRIDGE INSTRUMENTS LIMITED., RUSTAT ROAD, CAMBRIDGE CB1 3QH, ENGLAND A BRITISH COMPANY
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4587617
NONE
06543038
Correspondence name and address
LEYDIG, VOIT, OSANN, MAYER & HOLT
ONE IBM PLAZA
CHICAGO, IL 60611
Assignment: 2
Reel/Frame:004286/0651   Pages: 1
Recorded: 08/06/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARKER, JOHN C.
Exec Dt:
06/12/1984
Assignee
1
CAMBRIDGE INSTRUMENTS LIMITED A BRITISH COMPANY
RUSTAT ROAD
CAMBRIDGE CB1 3QH, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4578765
NONE
06543037
Correspondence name and address
LEYDIG, VOIT, OSANN, MAYER & HOLT
ONE IBM PLAZA
CHICAGO, IL 60611
Assignment: 3
Reel/Frame:008404/0853   Pages: 9
Recorded: 02/19/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCGRAW, MOTGOMERY C.
Exec Dt:
01/21/1997
2
WILLIAMSON, RALPH K.
Exec Dt:
02/11/1997
3
RICHARD, ELIZABETH A.
Exec Dt:
01/21/1997
4
JOHNSON, DREW S.
Exec Dt:
01/30/1997
5
VOLTZ, CHRISTOPHER D.
Exec Dt:
01/30/1997
6
BARKER, JOHN C.
Exec Dt:
01/17/1997
7
BRUSKY, KEVIN J.
Exec Dt:
01/17/1997
Assignee
1
COMPAQ COMPUTER CORPORATION
20555 S. H. 249
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6300980
NONE
08803185
Correspondence name and address
JENKENS & GILCHRIST, P.C.
ROGER L. MAXWELL
1445 ROSS AVENUE, SUITE 3200
DALLAS, TEXAS 75202-2799
Assignment: 4
Reel/Frame:008577/0585   Pages: 10
Recorded: 06/26/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCGRAW, MONTGOMERY C.
Exec Dt:
01/21/1997
2
WILLIAMSON, RALPH K.
Exec Dt:
02/11/1997
3
RICHARD, ELIZABETH A.
Exec Dt:
01/21/1997
4
JOHNSON, DREW S.
Exec Dt:
01/30/1997
5
VOLTZ, CHRISTOPHER D.
Exec Dt:
01/30/1997
6
BARKER, JOHN C.
Exec Dt:
01/17/1997
7
BRUSKY, KEVIN J.
Exec Dt:
01/17/1997
Assignee
1
COMPAQ COMPUTER CORPORATION
20555 S. H. 249
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6300980
NONE
08803185
Correspondence name and address
JENKENS & GILCHRIST, P.C.
ROGER L. MAXWELL
1445 ROSS AVENUE, SUITE 3200
DALLAS, TEXAS 75202-2799
Assignment: 5
Reel/Frame:008510/0268   Pages: 4
Recorded: 03/31/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AUBUCHON, MARK S.
Exec Dt:
03/11/1997
2
BARKER, JOHN C.
Exec Dt:
03/25/1997
Assignee
1
COMPAQ COMPUTER CORPORATION
20555 S. H. 249
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5793616
NONE
08829152
Correspondence name and address
JENKENS & GILCHRIST, P.C.
ROGER L. MAXWELL
1445 ROSS AVENUE, SUITE 3200
DALLAS, TX 75202-2799
Assignment: 6
Reel/Frame:009727/0574   Pages: 5
Recorded: 01/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARKER, JOHN C.
Exec Dt:
09/29/1997
2
ELLIS, WILLIAM H.
Exec Dt:
09/29/1997
3
SAUER, JAMES P.
Exec Dt:
09/29/1997
Assignee
1
COMPAQ COMPUTER CORPORATION
20555 S. H. 249
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6067226
NONE
08940277
Correspondence name and address
JENKENS & GILCHRIST, P.C.
ROGER L. MAXWELL
1445 ROSS AVENUE, SUITE 3200
DALLAS, TX 75202-2812
Assignment: 7
Reel/Frame:009194/0157   Pages: 4
Recorded: 10/30/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VOLTZ, CHRISTOPHER
Exec Dt:
10/22/1997
2
BARKER, JOHN C.
Exec Dt:
10/22/1997
Assignee
1
COMPAQ COMPUTER CORPORATION
20555 SH 249
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6295090
NONE
08841965
Correspondence name and address
VINSON & ELKINS L.L.P.
BARRY BUMGARDNER
2300 FIRST CITY TOWER
1001 FANNIN STREET
HOUSTON, TX 77002
Assignment: 8
Reel/Frame:008942/0066   Pages: 4
Recorded: 01/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VOLTZ, CHRISTOPHER
Exec Dt:
01/05/1998
2
BARKER, JOHN C.
Exec Dt:
01/05/1998
Assignee
1
COMPAQ COMPUTER CORPORATION
20555 SH 249
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6201580
NONE
08835760
Correspondence name and address
VINSON & ELKINS, L.L.P.
BARRY BUMGARDNER
1001 FANNIN STREET
23000 FIRST CITY TOWER
HOUSTON TEXAS 77002
Assignment: 9
Reel/Frame:009793/0483   Pages: 4
Recorded: 02/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARKER, JOHN C.
Exec Dt:
02/18/1999
2
MCGRAW, MONTGOMERY C.
Exec Dt:
02/18/1999
3
STURGEON, DERRILL L.
Exec Dt:
02/12/1999
Assignee
1
COMPAQ COMPUTER CORPORATION
MS110701
P.O. BOX 692000
HOUSTON, TEXAS 77269
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6646765
NONE
09253209
Correspondence name and address
FLETCHER, YODER & VAN SOMEREN
PATRICK S. YODER
7915 FM 1960 WEST
SUITE 330
HOUSTON, TX 77070
Assignment: 10
Reel/Frame:009812/0763   Pages: 3
Recorded: 02/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARKER, JOHN C.
Exec Dt:
02/18/1999
2
MCGRAW, MONTGOMERY C.
Exec Dt:
02/18/1999
Assignee
1
COMPAQ COMPUTER CORPORATION
MS 110701
P.O. BOX 692000
HOUSTON, TEXAS 77269
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6577409
NONE
09253192
Correspondence name and address
YODER & VAN SOMEREN
PATRICK S. YODER
7915 FM 1960 WEST
SUITE 330
HOUSTON, TX 77070
Assignment: 11
Reel/Frame:009812/0782   Pages: 4
Recorded: 02/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRUSKY, KEVIN J.
Exec Dt:
02/18/1999
2
MCGRAW, MONTGOMERY C.
Exec Dt:
02/18/1999
3
BARKER, JOHN C.
Exec Dt:
02/18/1999
Assignee
1
COMPAQ COMPUTER CORPORATION
MS110701
P.O BOX 692000
HOUSTON, TEXAS 77269
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6487611
NONE
09253612
Correspondence name and address
FLETCHER, YODER & VAN SOMEREN
ROBERT A. VAN SOMEREN
7915 FM 1960 WEST, SUITE 330
HOUSTON, TEXAS 77070
Assignment: 12
Reel/Frame:010213/0516   Pages: 4
Recorded: 08/30/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STURGEON, DERRILL L.
Exec Dt:
08/23/1999
2
BARKER, JOHN C.
Exec Dt:
08/23/1999
3
BROWN, DONALD MICHAEL
Exec Dt:
08/25/1999
Assignee
1
COMPAQ COMPUTER CORP.
MS110701
P.O. BOX 692000
HOUSTON, TEXAS 77269
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6466336
NONE
09385334
Correspondence name and address
FLETCHER, YODER & VAN SOMEREN
PATRICK S. YODER
7915 FM 1960 WEST
SUITE 330
HOUSTON, TX 77070
Assignment: 13
Reel/Frame:011559/0337   Pages: 4
Recorded: 03/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCAFEE, DAVID A.
Exec Dt:
03/05/2001
2
BARKER, JOHN C.
Exec Dt:
02/02/2001
3
STURGEON, DERRILL L.
Exec Dt:
03/05/2001
4
HOWARD, CHRISTOPHER A.
Exec Dt:
02/02/2001
Assignee
1
COMPAQ COMPUTER CORPORATION
20555 ST. HIGHWAY 249, BUILDING CCA 11
PO BOX 692000
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6510211
NONE
09691683
Correspondence name and address
AKIN, GUMP, STRAUSS, HAUER & FELD, LLP
DAVID R. CLONTS
711 LOUISIANA, SUITE 1900, SOUTH TOWER
HOUSTON, TX 77002
Assignment: 14
Reel/Frame:013034/0847   Pages: 5
Recorded: 06/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARKER, JOHN C.
Exec Dt:
06/19/2002
2
KOH, TERRY
Exec Dt:
03/22/2002
Assignee
1
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P.
20555 STATE HIGHWAY 249
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030126461
10034897
Correspondence name and address
CONLEY, ROSE & TAYON, P.C.
JONATHAN M. HARRIS
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 15
Reel/Frame:013155/0703   Pages: 4
Recorded: 07/30/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCAFEE, DAVID A.
Exec Dt:
07/25/2002
2
STURGEON, DERRILL
Exec Dt:
07/26/2002
3
BARKER, JOHN C.
Exec Dt:
07/24/2002
Assignee
1
COMPAQ INFORMATION TECHNOLOGY GROUP L.L.P.
20555 S.H. 24G
MS 100701
HOUSTON, TEXAS 77070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040021889
10208423
Correspondence name and address
SHARP CORNFORT & MERRETT, P. C.
N. RHYS MERRETT
13355 NOEL ROAD
STE. 1340
DALLAS, TX 75240
Assignment: 16
Reel/Frame:032923/0661   Pages: 9
Recorded: 05/19/2014
Attorney Dkt #:86947-882183
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUKIC, BRANKO
Exec Dt:
04/23/2014
2
TAKAYAMA, STEVEN RYUTARO
Exec Dt:
04/23/2014
3
ETTER, ZACHARY M.
Exec Dt:
04/15/2014
4
MORGAN, GARTH
Exec Dt:
05/19/2014
5
BARKER, JOHN C.
Exec Dt:
04/11/2014
6
GREGER, JEFFREY
Exec Dt:
04/22/2014
Assignee
1
LOGITECH EUROPE S.A.
EPFL - QUARTIER DE L'INNOVATION, DANIEL BOREL INNOVATION CENTER
LAUSANNE, SWITZERLAND 1015
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D723514
NONE
29484335
Correspondence name and address
KILPATRICK TOWNSEND & STOCKTON LLP
TWO EMBARCADERO CENTER, EIGHTH FLOOR
SAN FRANCISCO, CA 94111

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