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Patent Assignment Abstract of Title
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Total Assignments: 14
Patent #:
Issue Dt:
09/18/1990
Application #:
07497428
Filing Dt:
03/22/1990
Inventors:
DAVID J. MICHAEL, DAVID A. KIRK, LEIGH F. BROOKS
Title:
MAGNESITE-CARBON REFRACTORIES
Assignment: 1
Reel/Frame:
005273/0278Recorded: 03/22/1990Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
03/21/1990
Exec Dt:
03/21/1990
Exec Dt:
03/21/1990
Assignee:
1600 PACIFIC AVENUE
DALLAS,, TEXAS 75221
Correspondent:
SIGALOS, LEVINE & MONTGOMERY
2700 NCNB CENTER, TOWER II
DALLAS, TX 75201-3989
Assignment: 2
Reel/Frame:
006334/0060Recorded: 11/20/1992Pages: 33
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/31/1992
Assignee:
2121 SAN JACINTO
DALLAS, TEXAS 75201
Correspondent:
EDWARD G. FIORITO
DRESSER INDUSTRIES, INC.
1600 PACIFIC AVE.
DALLAS, TX. 75201
Assignment: 3
Reel/Frame:
010618/0408Recorded: 02/23/2000Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/31/1995
Assignee:
51ST FLOOR
600 GRANT STREET
PITTSBURGH, PENNSYLVANIA 15219
Correspondent:
PIETRAGALLO, BOSICK & GORDON
CRAIG G. COCHENOUR
ONE OXFORD CENTRE, 38TH FLOOR
301 GRANT STREET
PITTSBURGH, PA 15219-6404
Assignment: 4
Reel/Frame:
014137/0616Recorded: 11/19/2003Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/25/2000
Assignee:
PENN CENTER WEST
BUILDING 2, SUITE 430
PITTSBURGH, PENNSYLVANIA 15276
Correspondent:
DUANE MORRIS LLP
LEWIS F. GOULD, JR.
ONE LIBERTY PLACE
PHILADELPHIA, PA 19103
Assignment: 5
Reel/Frame:
013067/0917Recorded: 07/16/2002Pages: 43
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
04/10/2002
Assignee:
555 THEODORE FREMD AVENUE
RYE, NEW YORK 10580
Correspondent:
OTTERBOURG, STEINDLER, HOUSTON, ET AL.
PRESTON R. CAPPELLO
230 PARK AVENUE
NEW YORK, NY 10169
Assignment: 6
Reel/Frame:
014863/0393Recorded: 07/19/2004Pages: 5
Conveyance:
RELEASE OF SECURITY INTEREST
Assignor:
Exec Dt:
02/12/2004
Assignee:
PENN CENTER WEST
BUILDING 2, STE 430
PITTSBURGH, PENNSYLVANIA 15276
Correspondent:
NICOLE K. MCLAUGHLIN, DUANE MORRIS LLP
ONE LIBERTY PLACE
36TH FLOOR
PHILADELPHIA, PA 19103-7396
Assignment: 7
Reel/Frame:
015438/0602Recorded: 12/01/2004Pages: 17
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/13/2004
Assignee:
249 FIFTH AVENUE
ONE PNC PLAZA
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
THORP REED & ARMSTRONG LLP
SEAN M. GIRDWOOD
ONE OXFORD CENTRE, 301 GRANT ST.,
PITTSBURGH, PA 15219-1425
Assignment: 8
Reel/Frame:
019520/0274Recorded: 06/28/2007Pages: 5
Conveyance:
DISCHARGE OF SECURITY INTEREST
Assignor:
Exec Dt:
06/22/2007
Assignee:
249 FIFTH AVENUE, ONE PNC PLAZA
PIITSBURGH, PENNSYLVANIA 15222
Correspondent:
MELISSA A. KOSTORICK, PARALEGAL
THORP REED & ARMSTRONG LLP
301 GRANT STREET
14TH FLOOR
PITTSBURGH, PA 15219-1425
Assignment: 9
Reel/Frame:
019520/0282Recorded: 06/28/2007Pages: 5
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
06/22/2007
Assignee:
249 FIFTH AVENUE, ONE PNC PLAZA
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
MELISSA A. KOSTORICK, PARALEGAL
THORP REED & ARMSTRONG, LLP
301 GRANT STREET, 14TH FLOOR
PITTSBURGH, PA 15219-1425
Assignment: 10
Reel/Frame:
019520/0287Recorded: 06/28/2007Pages: 5
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/22/2007
Assignee:
249 FIFTH AVENUE, ONE PNC PLAZA
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
MELISSA A. KOSTORICK, PARALEGAL
THORP REED & ARMSTRONG, LLP
301 GRANT STREET, 14TH FLOOR
PITTSBURGH, PA 15219-1425
Assignment: 11
Reel/Frame:
019520/0292Recorded: 06/28/2007Pages: 5
Conveyance:
DISCHARGE OF SECURITY INTEREST
Assignor:
Exec Dt:
06/22/2007
Assignee:
249 FIFTH AVENUE, ONE PNC PLAZA
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
MELISSA A. KOSTORICK, PARALEGAL
THORP REED & ARMSTRONG LLP
301 GRANT STREET, 14TH FLOOR
PITTSBURGH, PENNSYLVANIA 15219-1425
Assignment: 12
Reel/Frame:
027211/0442Recorded: 11/09/2011Pages: 6
Conveyance:
RELEASE OF SECURITY INTEREST IN U.S. PATENTS RECORDED AT R/F 019520/0282
Assignor:
Exec Dt:
09/07/2011
Assignee:
PENN CENTER WEST, BUILDING 2
SUITE 430
PITTSBURGH, PENNSYLVANIA 15276
Correspondent:
ADAM SHEVELL
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 13
Reel/Frame:
027211/0452Recorded: 11/09/2011Pages: 6
Conveyance:
RELEASE OF SECURITY INTEREST IN U.S. PATENTS RECORDED AT R/F 019520/0287
Assignor:
Exec Dt:
09/07/2011
Assignee:
PENN CENTER WEST, BUILDING 2
SUITE 430
PITTSBURGH, PENNSYLVANIA 15276
Correspondent:
ADAM SHEVELL
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064
Assignment: 14
Reel/Frame:
027211/0458Recorded: 11/09/2011Pages: 6
Conveyance:
RELEASE OF SECURITY INTEREST IN U.S. PATENTS RECORDED AT R/F 015438/0602
Assignor:
Exec Dt:
09/07/2011
Assignee:
PENN CENTER WEST, BUILDING 2
SUITE 430
PITTSBURGH, PENNSYLVANIA 15276
Correspondent:
ADAM SHEVELL
1285 AVENUE OF THE AMERICAS
NEW YORK, NY 10019-6064

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