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Trademark Assignment Details

Reel/Frame:1888/0447 View Recorded Assignment View Recorded Assignment   Pages: 6
    Recorded: 04/21/1999
Conveyance: MERGER AND CHANGE OF NAME
Total properties: 15
1
Serial #:
Filing Dt:
03/19/1992
Reg #:
Reg. Dt:
02/15/1994
Mark:
HPI
2
Serial #:
Filing Dt:
02/16/1993
Reg #:
Reg. Dt:
05/17/1994
Mark:
PETROLEUM ENGINEER INTERNATIONAL
3
Serial #:
Filing Dt:
02/16/1993
Reg #:
Reg. Dt:
10/12/1993
Mark:
HART MIDCONTINENT PETROLEUM DIRECTORY
4
Serial #:
Filing Dt:
02/16/1993
Reg #:
Reg. Dt:
11/29/1994
Mark:
THE PIPELINE PERSONNEL DIRECTORY
5
Serial #:
Filing Dt:
02/16/1993
Reg #:
Reg. Dt:
08/08/1995
Mark:
HART ROCKY MOUNTAIN PETROLEUM DIRECTORY
6
Serial #:
Filing Dt:
02/16/1993
Reg #:
Reg. Dt:
11/02/1993
Mark:
HART NORTHEAST PETROLEUM DIRECTORY
7
Serial #:
Filing Dt:
02/16/1993
Reg #:
Reg. Dt:
11/07/1995
Mark:
HART PETROLEUM DIRECTORY GULF STATES EDITION
8
Serial #:
Filing Dt:
02/16/1993
Reg #:
Reg. Dt:
06/14/1994
Mark:
PIPELINE DIGEST
9
Serial #:
Filing Dt:
03/24/1993
Reg #:
Reg. Dt:
11/08/1994
Mark:
OIL AND GAS INVESTOR
10
Serial #:
Filing Dt:
06/30/1993
Reg #:
Reg. Dt:
12/20/1994
Mark:
PETRO SYSTEMS WORLD
11
Serial #:
Filing Dt:
07/07/1993
Reg #:
Reg. Dt:
12/20/1994
Mark:
WHO'S WHO IN PIPELINING
12
Serial #:
Filing Dt:
12/08/1993
Reg #:
Reg. Dt:
11/22/1994
Mark:
NATURAL GAS FOCUS
13
Serial #:
Filing Dt:
04/26/1994
Reg #:
Reg. Dt:
03/07/1995
Mark:
21ST CENTURY FUELS
14
Serial #:
Filing Dt:
06/30/1995
Reg #:
Reg. Dt:
11/12/1996
Mark:
GAS SHOW
15
Serial #:
Filing Dt:
09/12/1996
Reg #:
Reg. Dt:
05/19/1998
Mark:
OIL AND GAS FINANCE SOURCEBOOK
Assignor
1
Exec Dt:
07/01/1995
Entity Type:
CORPORATION
Citizenship:
COLORADO
Assignee
1
7811 MONTROSE ROAD
POTOMAC, MARYLAND 20864
Entity Type:
CORPORATION
Citizenship:
MARYLAND
Correspondence name and address
FOLEY & LARDNER
PETER G. MACK
3000 K STREET, N.W.
SUITE 500
WASHINGTON, D.C. 20007

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