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Patent Assignment Assignor Details
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Assignor Name : LANGDON, ROGER M.
Total Assignments: 12
Assignment: 1
Reel/Frame:003907/0050   Pages: 1
Recorded: 07/27/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LANGDON, ROGER M.
Exec Dt:
07/17/1981
Assignee
1
MARCONI COMPANY LIMITED, THE
MARCONI HOUSE
NEW STREET, A BRITISH COMPANY
CHELMSFORD, ESSEX,, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4420983
NONE
06287293
Correspondence name and address
SPENCER AND KAYE
1111 - 19TH STREET, N.W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:004209/0581   Pages: 1
Recorded: 12/19/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MACDONALD, GEORGE A.
Exec Dt:
12/09/1983
2
JARVIS, CHARLES R.
Exec Dt:
12/09/1983
3
LANGDON, ROGER M.
Exec Dt:
12/09/1983
Assignee
1
MARCONI COMPANY LIMITED, THE
THE GROVE, WARREN LANE, STANMORE
MIDDLESEX H47 4LY, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4596153
NONE
06562750
Correspondence name and address
SPENCER & FRANK
1111 - 19TH ST., N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:004431/0067   Pages: 1
Recorded: 07/26/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LANGDON, ROGER M.
Exec Dt:
07/16/1985
Assignee
1
FISHER ONTROLS INTERNATIONAL, INC., A DE CORP
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4594898
NONE
06617712
Correspondence name and address
MARSHALL, O'TOOLE, GERSTEIN ET AL
SUITE 2100
TWO FIRST NATIONAL PLAZA
CHICAGO, IL 60603
Assignment: 4
Reel/Frame:004705/0611   Pages: 1
Recorded: 02/10/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LANGDON, ROGER M.
Exec Dt:
01/27/1987
Assignee
1
GENERAL ELECTRIC COMPANY, P.L.C.
1 STANHOPE GATE
LONDON, UNITED KINGDOM W1A 1EH
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4772786
NONE
06940319
Correspondence name and address
SPENCER & FRANK
1111 19TH STREET, N. W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:004891/0704   Pages: 1
Recorded: 05/16/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LANGDON, ROGER M.
Exec Dt:
05/05/1988
2
SMITH, CYRIL
Exec Dt:
05/05/1988
Assignee
1
GENERAL ELECTRIC COMPANY, P.L.C., THE
1 STANHOPE GATE
LONDON W1A 1EH, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4887033
NONE
07163577
Correspondence name and address
SPENCER & FRANK
1111 - 19TH STREET, N. W.
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:005127/0348   Pages: 1
Recorded: 07/07/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LANGDON, ROGER M.
Exec Dt:
05/17/1989
Assignee
1
GENERAL ELECTRIC COMPANY, P.L.C.
1 STANHOPE GATE
LONDON W1A 1EH, UNITED KINGDOM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5026162
NONE
07349229
Correspondence name and address
ROBERT J. FRANK
SPENCER & FRANK
1111 19TH STREET, N.W.
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:005514/0767   Pages: 2
Recorded: 11/15/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LANGDON, ROGER M.
Exec Dt:
10/25/1990
Assignee
1
GEC-MARCONI LIMITED
THE GROVE, WARREN LANE
STANMORE, MIDDLESEX, UNITED KINGDOM HA7 4LY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5059781
NONE
07585782
Correspondence name and address
SPENCER & FRANK
1111 19TH STREET, NW
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:005595/0651   Pages: 3
Recorded: 02/01/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FIRTH, KENNETH
Exec Dt:
11/12/1990
2
LANGDON, ROGER M.
Exec Dt:
11/12/1990
Assignee
1
GEC-MARCONI LIMITED, THE GROVE,
WARREN LANE, STANMORE,
MIDDLESEX,, UNITED KINGDOM HA7 4LY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5164848
NONE
07603930
Correspondence name and address
SPENCER & FRANK
1111 19TH ST, NW
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:006149/0147   Pages: 2
Recorded: 06/18/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LANGDON, ROGER M.
Exec Dt:
05/06/1992
Assignee
1
GEC-MARCONI LIMITED
THE GROVE WARREN LANE
STANMORE, MIDDLESEX, HA7 4LY, UNITED KINGDOM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5323638
NONE
07866050
Correspondence name and address
LOWE, PRICE, LEBLANC & BECKER
DONALD C. CASEY
99 CANAL CENTER PLAZA
SUITE 300
ALEXANDRIA, VIRGINIA 22314
Assignment: 10
Reel/Frame:006733/0240   Pages: 3
Recorded: 10/18/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANGDON, ROGER M.
Exec Dt:
10/01/1993
2
LEWIS, EDWARD L.
Exec Dt:
10/01/1993
Assignee
1
GEC-MARCONI LIMITED
THE GROVE, WARREN LANE
STANMORE, MIDDLESEX HA7 4LY, UNITED KINGDOM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5510890
NONE
08136918
Correspondence name and address
SPENCER, FRANK & SCHNEIDER
ROBERT J. FRANK
1111 19TH STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 11
Reel/Frame:017013/0455   Pages: 3
Recorded: 09/22/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LANGDON, ROGER M.
Exec Dt:
05/27/2003
Assignee
1
BAE SYSTEMS PLC
6 CARLTON GARDENS
LONDON SW1Y 5AD, GREAT BRITAIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7114393
US20050160822
10512047
Correspondence name and address
GARY R. EDWARDS, ESQUIRE
CROWELL & MORING LLP
INTELLECTUAL PROPERTY GROUP
PO BOX 14300
WASHINGTON, DC 20044-4300
Assignment: 12
Reel/Frame:019675/0611   Pages: 4
Recorded: 04/14/2004
Attorney Dkt #:540-490
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LANGDON, ROGER M.
Exec Dt:
03/19/2004
Assignee
1
BAE SYSTEMS PLC
6 CARLTON GARDENS
LONDON, UNITED KINGDOM SW1Y 5AD
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7301610
US20040263826
10490863
Correspondence name and address
STANLEY C. SPOONER
NIXON & VANDERHYE P.C.
1100 NORTH GLEBE ROAD
8TH FLOOR
ARLINGTON, VA 22201

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