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Patent Assignment Assignor Details
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Assignor Name : HELSTAB, EDMOND J.
Total Assignments: 11
Assignment: 1
Reel/Frame:004462/0832   Pages: 1
Recorded: 09/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HELSTAB, EDMOND J.
Exec Dt:
09/10/1985
Assignee
1
BELL NORTHERN RESEARCH LTD.
PO BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D299465
NONE
06779362
Correspondence name and address
ROBERT C. HOGEBOOM
NORTHERN TELECOM LTD., PAT. DEPT.
P. O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Assignment: 2
Reel/Frame:004580/0040   Pages: 1
Recorded: 05/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HELSTAB, EDMOND J.
Exec Dt:
04/17/1986
Assignee
1
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D299985
NONE
06862427
Correspondence name and address
ROBERT C. HOGEBOOM
C/O NORTHERN TELECOM, LTD., PATENT DEPT.
P. O. BOX 3511,
STATION C,
OTTAWA, ONTARIO, CANADA, K1Y 4H7
Assignment: 3
Reel/Frame:004580/0041   Pages: 1
Recorded: 05/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HELSTAB, EDMOND J.
Exec Dt:
04/17/1986
Assignee
1
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511
STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D300490
NONE
06862426
Correspondence name and address
ROBERT C. HOGEBOOM
C/O NORTHERN TELECOM LTD., PATENT DEPT.,
P. O. BOX 3511,
STATION C,
OTTAWA, ONTARIO, CANADA, K1Y 4H7
Assignment: 4
Reel/Frame:004580/0197   Pages: 1
Recorded: 05/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HELSTAB, EDMOND J.
Exec Dt:
04/17/1986
Assignee
1
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D299795
NONE
06862429
Correspondence name and address
ROBERT C. HOGEBOOM
C/O NORTHERN TELECOM, LTD., PATENT DEPT.
P. O. BOX 3511,
STATION C,
OTTAWA, ONTARIO, CANADA, K1Y 4H7
Assignment: 5
Reel/Frame:004580/0199   Pages: 1
Recorded: 05/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HELSTAB, EDMOND J.
Exec Dt:
04/17/1986
Assignee
1
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511
STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D299794
NONE
06862428
Correspondence name and address
ROBERT C. HOGEBOOM
C/O NORTHERN TELECOM LTD., PATENT DEPT.,
P. O. BOX 3511,
STATION C,
OTTAWA, ONTARIO, CANADA, K1Y 4H7
Assignment: 6
Reel/Frame:004667/0693   Pages: 1
Recorded: 02/09/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HELSTAB, EDMOND J.
Exec Dt:
11/06/1986
2
BROWN, MICHAEL
Exec Dt:
11/06/1986
3
WINLOW, THOMAS A.
Exec Dt:
11/06/1986
4
BERGMAN, HANS
Exec Dt:
11/06/1986
Assignee
1
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D302977
NONE
06932129
Correspondence name and address
ROBERT C. HOGEBOOM
NORTHERN, TELECOM LIMITED
PATENT DEPT.
P.O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Assignment: 7
Reel/Frame:005017/0289   Pages: 1
Recorded: 01/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HELSTAB, EDMOND J.
Exec Dt:
12/08/1988
2
BROWN, MICHAEL
Exec Dt:
12/08/1988
Assignee
1
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D306859
NONE
07294133
Correspondence name and address
ROBERT C. HOGEBOOM
NORTHERN TELECOM LIMITED, PATENT DEPT.
P. O. BOX 3511, STATION C,
OTTAWA, ONTARIO, CANADA, K1Y 4H7
Assignment: 8
Reel/Frame:006687/0020   Pages: 5
Recorded: 08/26/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, MICHAEL
Exec Dt:
05/20/1993
2
HELSTAB, EDMOND J.
Exec Dt:
05/20/1993
3
KURTZ, MICHAEL
Exec Dt:
05/20/1993
4
JOHNSON, JOHN
Exec Dt:
05/20/1993
Assignee
1
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511, STATION C, OTTAWA
ONTARIO, CANADA K1Y 4H7
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
5655033
NONE
08261993
 
D348458
NONE
29011282
Correspondence name and address
R.J. AUSTIN
NORTHERN TELECOM LIMITED
PATENT DEPT., P.O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Assignment: 9
Reel/Frame:009219/0780   Pages: 3
Recorded: 05/29/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HELSTAB, EDMOND J.
Exec Dt:
04/02/1998
2
FAIRLESS, JEFFREY L.
Exec Dt:
04/09/1998
3
LEE, MICHAEL C.G.
Exec Dt:
04/09/1998
4
COWAN, NEAL T.
Exec Dt:
03/21/1998
Assignee
1
NORTHERN TELECOM LIMITED
P.O. BOX 6123, STATION A
MONTREAL, QUEBEC, CANADA H3C 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6073031
NONE
08997984
Correspondence name and address
NORTHERN TELECOM LIMITED
JEAN-PIERRE FORTIN
PATENT DEPARTMENT
P.O. BOX 3511, STATION C
OTTAWA, ONTARIO, CANADA K1Y 4H7
Assignment: 10
Reel/Frame:010761/0546   Pages: 4
Recorded: 04/18/2000
Conveyance: RECORD TO CORRECT THE NAMES OF CONVERYING PARTIES AS PREVIOUSLY RECORDED AT REEL/FRAME 9219/0780.
Assignors
1
HELSTAB, EDMOND J.
Exec Dt:
04/02/1998
2
FAIRLESS, JEFFREY L.
Exec Dt:
04/09/1998
3
LEE, MICHAEL C.G.
Exec Dt:
04/09/1998
4
COWAN, NEAL T.
Exec Dt:
03/21/1998
5
CRONE, JONATHAN
Exec Dt:
04/16/1998
6
PUGH, EDWARD L.
Exec Dt:
04/02/1998
7
BRADLEY, ROBERT E.
Exec Dt:
05/21/1998
Assignee
1
NORTHERN TELECOM LIMITED
P.O. BOX 6123, STATION A.
MONTREAL, QUEBEC, CANADA H3C 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6073031
NONE
08997984
Correspondence name and address
NORTEL NETWORKS CORPORATION
DALLAS F. SMITH
P.O. BOX 3511, STATION C
INTELLECTUAL PROPERTY LAW GROUP
OTTAWA, ONTARIO CANADA K1Y 4H7
Assignment: 11
Reel/Frame:010613/0655   Pages: 2
Recorded: 03/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HELSTAB, EDMOND J.
Exec Dt:
03/09/2000
Assignee
1
NORTEL NETWORKS CORPORATION
380 ST. ANTOINE STREET WEST, 8TH FLOOR
WORLD TRADE CENTER OF MONTREAL
MONTREAL, QUEBEC H2Y 3Y4, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6542586
NONE
09472643
Correspondence name and address
COBRIN & GITTES
RICHARD M. LEHRER
750 LEXINGTON AVENUE
NEW YORK, NEW YORK 10022

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