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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
09/23/2003
Application #:
09676242
Filing Dt:
09/29/2000
Inventors:
Uwe Langer, Dirk Riesenbeck, Frank Schindel, Erwin Tanger, Rainer Zimmermann
Title:
SYSTEM AND METHOD FOR CONTROLLING AND MONITORING FIRST TELECOMMUNICATION TERMINAL DEVICES CONNECTED TO PRIVATE BRANCH EXCHANGES OR SECOND TELECOMMUNICATION TERMINAL DEVICES COUPLED TO LONG DISTANCE NETWORKS
Assignment: 1
Reel/Frame:
011897/0239Recorded: 06/14/2001Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/17/2001
Exec Dt:
05/17/2001
Exec Dt:
05/17/2001
Exec Dt:
04/30/2001
Exec Dt:
05/21/2001
Assignee:
WITTELSBACHERPLATZ 2
POSTFACH 22 16 34
80333 MUENCHEN, GERMANY
Correspondent:
SCHIFF HARDIN & WAITE
PATENT DEPARTMENT
6600 SEARS TOWER
233 S. WACKER DRIVE
CHICAGO, IL 60606-6473
Assignment: 2
Reel/Frame:
021194/0001Recorded: 07/03/2008Pages: 23
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/28/2008
Assignee:
2711 CENTERVILLE ROAD
SUITE 400
WILMINGTON, DELAWARE 19808
Correspondent:
SCHWABE, WILLIAMSON & WYATT, P.C.
1211 SW FIFTH AVENUE
SUITE 1900
PORTLAND, OR 97204
Assignment: 3
Reel/Frame:
051413/0114Recorded: 01/03/2020Pages: 12
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/22/2019
Assignee:
251 LITTLE FALLS DRIVE
WILMINGTON, DELAWARE 19808
Correspondent:
INTELLECTUAL VENTURES MANAGEMENT- IP LEGAL
3150 139TH AVENUE SE
BUILDING 4, FLOOR 3
BELLEVUE, WA 98005
Assignment: 4
Reel/Frame:
051630/0115Recorded: 01/27/2020Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/30/2019
Assignee:
2325 OAK ALLEY
TYLER, TEXAS 75703
Correspondent:
LARRY D. THOMPSON, JR.
4306 YOAKUM BLVD
STE 450
HOUSTON, TX 77006

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