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Patent Assignment Abstract of Title
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Total Assignments: 13
Patent #:
Issue Dt:
02/04/1986
Application #:
06514615
Filing Dt:
07/18/1983
Inventor:
NICHOLAS E. BUTTS
Title:
SUBTERRANEAN TANK LEAK DETECTION SYSTEM AND METHOD
Assignment: 1
Reel/Frame:
004471/0464Recorded: 10/25/1985Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
10/18/1985
Assignee:
CANADA
Correspondent:
CUSHMAN, DARBY & CUSHMAN
1615 L STREET N.W. ,11TH FLOOR
WASHINGTON, D.C. 20036
Assignment: 2
Reel/Frame:
004787/0843Recorded: 11/25/1987Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/09/1987
Assignee:
DELAWARE
Correspondent:
SHAWN, BERGER & MANN
1850 M STREET, N.W. SUITE 280
WASHINGTON, D.C. 20036
Assignment: 3
Reel/Frame:
005461/0602Recorded: 10/01/1990Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/23/1987
Assignee:
215 COLONNADE ROAD
OTTAWA, ONTARIO, CANADA K2E 7K3
Correspondent:
CUSHMAN, DARBY AND CUSHMAN
1615 L STREET, N.W., 11TH FLR.
WASHINGTON,DC 20036
Assignment: 4
Reel/Frame:
005333/0547Recorded: 05/14/1990Pages: 15
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/04/1990
Assignee:
Correspondent:
RUDNICK & WOLFE
SUITE 1800
203 NORTH LA SALLE STREET
CHICAGO, IL 60601-1293
Assignment: 5
Reel/Frame:
005379/0825Recorded: 07/27/1990Pages: 10
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/25/1990
Assignee:
Correspondent:
STEVENS & LEE
FOUR GLENHARDIE CORPORATE CENTER
1255 DRUMMERS LANE
P.O. BOX 236
WAYNE, PA 19087-0236
Assignment: 6
Reel/Frame:
005681/0737Recorded: 05/02/1991Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/17/1991
Assignee:
CANADA
Correspondent:
CUSHMAN, DARBY & CUSHMAN
1615 L STREET N.W. ,11TH FLOOR
WASHINGTON, D.C. 20036
Assignment: 7
Reel/Frame:
006059/0133Recorded: 04/01/1992Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
02/10/1992
Assignee:
306 COMMERCE DRIVE
EXTON, PENNSYLVANIA 19341
Correspondent:
CUSHMAN, DARBY & CUSHMAN
ATTN: G. LLOYD KNIGHT
ELEVENTH FLOOR
1615 L STREET, N.W.
WASHINGTON, DC 20036-5601
Assignment: 8
Reel/Frame:
006965/0529Recorded: 03/14/1994Pages: 8
Conveyance:
TERMINATION AGREEMENT
Assignor:
Exec Dt:
03/04/1994
Assignee:
422 BUSINESS CENTER A130 NORTH DRIVE
OAKS, PENNSYLVANIA 19456
Correspondent:
STEVENS & LEE
TIMOTHY F. DEMERS
607 WASHINGTON STREET
P.O. BOX 679
READING, PA 19603
Assignment: 9
Reel/Frame:
015878/0749Recorded: 10/14/2004Pages: 13
Conveyance:
PATENT COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT
Assignor:
Exec Dt:
09/14/2004
Assignee:
30 42ND AVENUE
C/O GROUPE CONSEIL MARSAN, IC.
LACHINE, QUEBEC, CANADA H8T 2H3
Correspondent:
PIPER RUDNICK LLP
JAMES M. HEINTZ
1200 NINTEETH STREET, N.W.
WASHINGTON, DC 20036-2412
Assignment: 10
Reel/Frame:
015878/0929Recorded: 10/14/2004Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/14/2004
Assignee:
30 42ND AVENUE
C/O GROUPE CONSEIL MARSAN, INC.
LACHINE, QUEBEC, CANADA H8T 2H3
Correspondent:
PIPER RUDNICK LLP
JAMES M. HEINTZ
1200 19TH STREET, N.W.
WASHINGTON, DC 20036-2412
Assignment: 11
Reel/Frame:
016522/0851Recorded: 05/06/2005Pages: 14
Conveyance:
CORRECTIVE COVERSHEET TO CORRECT THE NAMES OF THE ASSIGNOR AND ASSIGNEE PREVIOUSLY RECORDED ON REEL 015878, FRAME 0749.
Assignor:
Exec Dt:
09/14/2004
Assignee:
4010 CLAY STREET
POINT OF ROCKS, MARYLAND 21777-0285
Correspondent:
SUPERVISOR, PATENT PROSECUTION SERVICES
PIPER RUDNICK LLP
1200 NINTEENTH STREET, N.W.
WASHINGTON, D.C. 20036-2412
Assignment: 12
Reel/Frame:
016926/0755Recorded: 08/30/2005Pages: 7
Conveyance:
ASSIGNMENT OF PATENT COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT
Assignor:
Exec Dt:
03/26/2005
Assignee:
270 CHEMIN DU TREMBLAY
BOUCHERVILLE, QUEBEC J4B 5X9
Correspondent:
PATENT GROUP
DLA PIPER RUDNICK GRAY CARY US LLP
1200 NINETEENTH STREET, N.W.
WASHINGTON, D.C. 20036-2412
Assignment: 13
Reel/Frame:
022757/0575Recorded: 06/01/2009Pages: 10
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE POSTAL CODE AND PATENT NUMBERS, PREVIOUSLY RECORDED ON REEL 022708 FRAME 0799.
Assignor:
Exec Dt:
12/21/2007
Assignee:
11535 1ST AVENUE
BUREAU 500
SAINT GEORGES QUEBEC, CANADA G5Y7X3
Correspondent:
ABBY RIGGLEMAN
4010 CLAY STREET
POINT OF ROCKS, MARYLAND 21777

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