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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
NONE
Issue Dt:
Application #:
09740047
Filing Dt:
12/18/2000
Publication #:
Pub Dt:
08/29/2002
Inventors:
Grant M. Brehm, Tim K. Patterson, Kevin Keough
Title:
System and method for verifying usage and quality of interconnection services for a communication network
Assignment: 1
Reel/Frame:
012087/0302Recorded: 08/17/2001Pages: 16
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/17/1998
Assignee:
1500 NORTH GREENVILLE AVENUE
RICHARDSON, TEXAS 75081
Correspondent:
FULBRIGHT & JAWORSKI L.L.P.
MICHAEL J. FOGARTY, III
2200 ROSS AVENUE
SUITE 2800
DALLAS, TX 75201
Assignment: 2
Reel/Frame:
011413/0622Recorded: 12/18/2000Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
12/05/2000
Exec Dt:
12/05/2000
Exec Dt:
12/05/2000
Assignee:
1500 N. GREENVILLE AVENUE
RICHARDSON, TEXAS 75081
Correspondent:
FULVRIGHT & JAWORSKI LLP
JODY C. BISHOP
2200 ROSS AVENUE, SUITE 2800
DALLAS, TX 75201
Assignment: 3
Reel/Frame:
011630/0838Recorded: 03/19/2001Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
12/05/2000
Exec Dt:
03/02/2001
Exec Dt:
03/02/2001
Assignee:
1500 N. GREENVILLE AVENUE
RICHARDSON, TEXAS 75081
Correspondent:
FULBRIGHT & JAWORSKI L.L.P.
DAVID H. TANNENBAUM
2200 ROSS AVENUE, SUITE 2800
DALLAS, TEXAS 75201
Assignment: 4
Reel/Frame:
049489/0250Recorded: 06/17/2019Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/17/2019
Assignee:
310 LITTLETON ROAD
WESTFORD, MASSACHUSETTS 01886
Correspondent:
LOCKE LORD LLP
201 BROAD STREET
STAMFORD, CT 06901

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