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Patent Assignment Assignee Details
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Assignee Name : LAFARGE CANADA INC.
Total Assignments: 20
Assignment: 1
Reel/Frame:005739/0993   Pages: 5
Recorded: 06/20/1991
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
CANADA CEMENT LAFARGE LTD., (CHANGE TO)
Exec Dt:
12/10/1987
Assignee
1
LAFARGE CANADA INC.
CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4715896
NONE
06892445
Correspondence name and address
GEORGE H. SPENCER
SPENCER & FRANK
1111 NINETEENTH STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 2
Reel/Frame:007937/0048   Pages: 3
Recorded: 12/29/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HORN, DONALD G.
Exec Dt:
10/04/1995
2
WIEBE, DAVID K.
Exec Dt:
10/10/1995
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC H3B 1L7, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5656766
NONE
08546577
Correspondence name and address
CHRISTENSEN O'CONNOR JOHNSON
& KINDNESS PLLC
SHAUKAT A. KARJEKER, ESQ.
1420 FIFTH AVENUE, SUITE 2800
SEATTLE, WASHINGTON 98101-2347
Assignment: 3
Reel/Frame:008025/0034   Pages: 3
Recorded: 05/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KISTLER, GEORGE CHRIS
Exec Dt:
05/01/1996
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5650005
NONE
08654841
Correspondence name and address
BACHMAN & LAPOINTE
GREGORY P. LAPOINTE
SUITE 1201
900 CHAPEL STREET
NEW HAVEN, CONNECTICUT 06510
Assignment: 4
Reel/Frame:008523/0581   Pages: 4
Recorded: 04/11/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
03/25/1997
2
COMPTON, HORACE HERSHEL
Exec Dt:
03/26/1997
3
AKHTAR, SYED SUHAIL
Exec Dt:
04/01/1997
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5837052
NONE
08833927
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
ROBERT H. BACHMAN
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CT 06510-2802
Assignment: 5
Reel/Frame:009507/0060   Pages: 5
Recorded: 10/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL SLAG LIMITED
Exec Dt:
07/23/1998
Assignee
1
LAFARGE CANADA INC.
MONTREAL
606 CATHCART STREET
QUEBEC, CANADA H3B 1
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4995894
NONE
07345270
 
5082483
NONE
07535613
 
5953767
NONE
08994673
Correspondence name and address
ROGERS & SCOTT
INGRID E. SCHMIDT
214 RANDALL STREET
OAKVILLE, ONTARIO CANADA L6J 1P7
Assignment: 6
Reel/Frame:009481/0864   Pages: 3
Recorded: 09/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
09/17/1998
2
VAN SLOTEN, ALAN MELVIN
Exec Dt:
09/17/1998
3
CAIL, KEVIN MOIRE
Exec Dt:
09/18/1998
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5976243
NONE
09159792
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
ROBERT H. BACHMAN
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CT 06510-2802
Assignment: 7
Reel/Frame:009483/0542   Pages: 4
Recorded: 09/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
09/17/1998
2
THOMAS, MICHAEL DAVID ARTHUR
Exec Dt:
09/16/1998
3
DE SOUSA ZACARIAS, PHILIP
Exec Dt:
09/18/1998
4
HOPKINS, DONALD STEPHEN
Exec Dt:
09/15/1998
5
CAIL, KEVIN MOIRE
Exec Dt:
09/16/1998
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5928420
NONE
09159921
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
ROBERT H. BACHMAN
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CT 06510-2802
Assignment: 8
Reel/Frame:010951/0029   Pages: 3
Recorded: 07/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
O'HEARN, BRIAN
Exec Dt:
06/23/2000
2
WALTON, TERRANCE RONALD
Exec Dt:
06/23/2000
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6402833
NONE
09615932
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
ROBERT H. BACHMAN
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CT 06510-2802
Assignment: 9
Reel/Frame:011558/0112   Pages: 5
Recorded: 02/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
01/30/2001
2
CAIL, KEVIN MOIRE
Exec Dt:
01/30/2001
3
LEHOUX, PAUL HONORE
Exec Dt:
02/07/2001
4
UNGAR, ROBERT KIM
Exec Dt:
02/07/2001
5
HOPKINS, DONALD STEPHEN
Exec Dt:
01/30/2001
6
CROSS, JAMES EDWARD
Exec Dt:
02/05/2001
7
RITCH, MICHAEL
Exec Dt:
02/13/2001
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6391105
NONE
09785705
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
GREGORY P. LAPOINTE
900 CHAPEL STREET
SUITE 1201
NEW HAVEN, CT 06510
Assignment: 10
Reel/Frame:012622/0618   Pages: 4
Recorded: 02/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
02/07/2002
2
WHELLOCK, JOHN GRAHAM
Exec Dt:
02/01/2002
3
ZACARIAS, PHILIP SOUZA
Exec Dt:
02/07/2002
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6755905
US20030154887
10078235
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
GREGORY P. LAPOINTE
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CT 06510-2802
Assignment: 11
Reel/Frame:013230/0746   Pages: 4
Recorded: 08/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
08/12/2002
2
WHELLOCK, JOHN GRAHAM
Exec Dt:
08/06/2002
3
ZACARIAS, PHILIP SOUZA
Exec Dt:
08/12/2002
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6835244
US20040035330
10228642
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
GEORGE A. COURY
900 CHAPEL STREET
SUITE 1201
NEW HAVEN, CONNECTICUT 06510-2801
Assignment: 12
Reel/Frame:013407/0591   Pages: 3
Recorded: 10/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZACARIAS, PHILIP SOUZA
Exec Dt:
09/26/2002
2
OATES, DAVID BRIDSON
Exec Dt:
10/02/2002
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6783585
US20040069186
10272671
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
GREGORY P. LAPOINTE
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CT 06510
Assignment: 13
Reel/Frame:013584/0990   Pages: 4
Recorded: 12/16/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
11/21/2002
2
SLOTEN, ALAN VAN
Exec Dt:
11/11/2002
3
FAIR, JEFFREY
Exec Dt:
11/16/2002
4
RENFRO, TRENT
Exec Dt:
11/11/2002
5
PLUNK, CRAIG
Exec Dt:
11/15/2002
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040111958
10320069
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
GREGORY P. LAPOINTE
900 CHAPEL STREET
SUITE 1201
NEW HAVEN, CT 06405
Assignment: 14
Reel/Frame:013618/0225   Pages: 3
Recorded: 12/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OATES, DAVID BRIDSON
Exec Dt:
12/06/2002
2
VAN SLOTEN, ALAN
Exec Dt:
12/11/2002
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
MONTREAL, QUEBEC, CANADA H3B 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6764544
US20040118323
10328070
Correspondence name and address
BACHMAN & LAPOINTE, P.C.
GREGORY P. LAPOINTE
900 CHAPEL STREET
SUITE 1201
NEW HAVEN, CT 06510
Assignment: 15
Reel/Frame:015889/0920   Pages: 3
Recorded: 03/11/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TUMBULL, MARK
Exec Dt:
01/24/2005
2
DYMENT, BOB
Exec Dt:
01/21/2005
3
RUDY, SCOTT
Exec Dt:
01/18/2005
Assignee
1
LAFARGE CANADA INC.
7880 KEELE STREET
CONCORD ONTARIO, CANADA L4K 4G7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050161107
10762365
Correspondence name and address
MCCARTHY TETRAULT LLP
ROBERT H. NAKANO
BOX 48, SUITE 4700, TORONTO DOM.
BANK TOWER - 66 WELLINGTON STREET WEST
TORONTO, ONTARIO M5K 1E6
Assignment: 16
Reel/Frame:016599/0852   Pages: 3
Recorded: 05/26/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
O'HEARN, BRIAN
Exec Dt:
03/07/2005
2
STEWARD, NILS
Exec Dt:
02/20/2005
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET, SUITE 900
MONTREAL, QUEBEC, CANADA H3B 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7610801
US20050262935
11059185
Correspondence name and address
BARRY L. KELMACHTER
BACHMAN & LAPOINTE, P.C.
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CONNECTICUT 06510
Assignment: 17
Reel/Frame:018987/0157   Pages: 3
Recorded: 02/12/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
O'HEARN, BRIAN
Exec Dt:
02/10/2007
Assignee
1
LAFARGE CANADA INC.
606 CATHCART STREET
SUITE 900
MONTREAL, QUEBEC, CANADA H3B 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7837412
US20070186820
11705208
Correspondence name and address
BARRY L. KELMACHTER
BACHMAN & LAPOINTE, P.C.
900 CHAPEL STREET, SUITE 1201
NEW HAVEN, CT 06510
Assignment: 18
Reel/Frame:026219/0317   Pages: 3
Recorded: 05/03/2011
Attorney Dkt #:431280-038
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CARIAGA CRESPO, JUAN IGNACIO
Exec Dt:
04/11/2011
Assignee
1
LAFARGE CANADA INC.
334 AVENUE AVRO
POINTE-CLAIRE, QUEBEC, CANADA H9R 5W5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110139503
12636632
Correspondence name and address
MARIA S. SWIATEK
P.O. BOX 60610
PALO ALTO, CA 94306
Assignment: 19
Reel/Frame:036613/0442   Pages: 3
Recorded: 09/21/2015
Attorney Dkt #:431280-062
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CARIAGA CRESPO, JUAN IGNACIO
Exec Dt:
04/11/2011
Assignee
1
LAFARGE CANADA INC.
334 AVENUE AVRO
POINTE-CLAIRE, QUEBEC, CANADA H9R 5W5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9231394
US20140158418
13531448
Correspondence name and address
NIXON PEABODY LLP
799 NINTH STREET, NW
SUITE 500
WASHINGTON, DC 20001
Assignment: 20
Reel/Frame:030198/0544   Pages: 3
Recorded: 04/11/2013
Attorney Dkt #:05012653-222US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARIAGA, JUAN IGNACIO
Exec Dt:
03/27/2013
2
ZAKARIASEN, DON
Exec Dt:
03/28/2013
Assignee
1
LAFARGE CANADA INC.
6509 AIRPORT ROAD
MISSISSAUGA, CANADA L4V 1S7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8863455
US20140102025
13649662
Correspondence name and address
JOHN PIVNICKI
1 PLACE VILLE MARIE
SUITE 2500
MONTREAL, H3B 1R1 CANADA

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