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Patent Assignment Assignor Details
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Assignor Name : WALKER, DAVID R.
Total Assignments: 24
Assignment: 1
Reel/Frame:004888/0340   Pages: 3
Recorded: 05/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CADOTTE, JOHN E.
Exec Dt:
05/06/1986
2
WALKER, DAVID R.
Exec Dt:
05/14/1986
Assignee
1
FILMTEC CORPORATION
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4765897
NONE
06856519
Correspondence name and address
RICHARD G. WATERMAN
THE DOW CHEMICAL COMPANY
P.O. BOX 1967
MIDLAND, MI 48461-1967
Assignment: 2
Reel/Frame:005344/0499   Pages: 2
Recorded: 06/15/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WALKER, DAVID R.
Exec Dt:
06/11/1990
Assignee
1
COMBUSTION DESIGN CORPORATION
2502 NORTH ROCKY POINT DRIVE SUITE 1095
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5052313
NONE
07510270
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 3
Reel/Frame:005345/0198   Pages: 2
Recorded: 06/15/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WALKER, DAVID R.
Exec Dt:
06/11/1990
Assignee
1
COMBUSTION DESIGN CORPORATION
2502 NORTH ROCKY POINT DRIVE, SUITE 1095
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5137545
NONE
07510246
Correspondence name and address
FOLEY & LARDNER
SCHWARTZ, JEFFERY, SCHWAAB, MACK,
BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 4
Reel/Frame:005400/0639   Pages: 2
Recorded: 06/15/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WALKER, DAVID R.
Exec Dt:
06/11/1990
Assignee
1
COMBUSTION DESIGN CORPORATION
2502 NORTH ROCKY POINT DRIVE SUITE 1095
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5080581
NONE
07510421
Correspondence name and address
FOLEY & LARDNER
SCHWARTZ, JEFFERY, SCHWAAB, MACK,
BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 5
Reel/Frame:005571/0610   Pages: 2
Recorded: 01/09/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WALKER, DAVID R.
Exec Dt:
12/27/1990
Assignee
1
SERAWAST SYSTEMS CORPORATION
2502 NORTH ROCKY POINT DRIVE, SUITE 1095
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5114684
NONE
07625666
Correspondence name and address
STEPHEN A. BENT
FOLEY & LARNDER, SCHWARTZ ET AL
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 6
Reel/Frame:005582/0179   Pages: 2
Recorded: 01/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WALKER, DAVID R.
Exec Dt:
12/27/1990
Assignee
1
SERAWASTE SYSTEMS CORPORATION
2502 NORTH ROCKY POINT DRIVE
SUITE 1095
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5054405
NONE
07607118
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 7
Reel/Frame:005685/0872   Pages: 2
Recorded: 04/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WALKER, DAVID R.
Exec Dt:
04/09/1991
Assignee
1
SERAWASTE SYSTEMS CORPORATION
2502 NORTH ROCKY POINT DRIVE STE. 1095
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5326538
NONE
07669449
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 8
Reel/Frame:005799/0515   Pages: 3
Recorded: 08/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WALKER, DAVID R.
Exec Dt:
08/08/1991
Assignee
1
SERAWASTE SYSTEMS CORPORATION A CORPORATION OF FL
2502 NORTH ROCKY POINT DRIVE
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5054405
NONE
07607118
Correspondence name and address
FOLEY & LARDNER
P. O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 9
Reel/Frame:006791/0336   Pages: 2
Recorded: 11/30/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WALKER, DAVID R.
Exec Dt:
11/29/1993
Assignee
1
DXRESOURCES CORPORATION
4908 WEST NASSAU STREET
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5520780
NONE
08159689
Correspondence name and address
NILLES & NILLES, S.C.
TIMOTHY E. NEWHOLM
FIRSTAR CENTER
777 EAST WISCONSIN AVENUE, SUITE 2000
MILWAUKEE, WI 53202-5345
Assignment: 10
Reel/Frame:006793/0428   Pages: 2
Recorded: 11/30/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WALKER, DAVID R.
Exec Dt:
11/29/1993
Assignee
1
DXRESOURCES CORPORATION
4908 WEST NASSAU STREET
TAMPA, FLORIDA 33607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5409541
NONE
08159833
Correspondence name and address
NILLES & NILLES, S.C.
TIMOTHY E. NEWHOLM
FIRSTAR CENTER
777 EAST WISCONSIN AVENUE, SUITE 2000
MILWAUKEE, WISCONSIN 53202-5345
Assignment: 11
Reel/Frame:008525/0717   Pages: 2
Recorded: 03/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REID, JOHN
Exec Dt:
02/24/1997
2
WALKER, DAVID R.
Exec Dt:
02/24/1997
Assignee
1
LUMONICS INC.
105 SCHNEIDER ROAD
KANATA ONTARIO, CANADA K2K 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5854805
NONE
08821545
Correspondence name and address
KIRBY, EADES, GALE, BAKER
BOX 3432, STN. D.
OTTAWA, ONTARIO
CANADA K1P 6N9
Assignment: 12
Reel/Frame:008526/0640   Pages: 3
Recorded: 03/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALKER, DAVID R.
Exec Dt:
02/24/1997
2
BARTON, PHILIP D.
Exec Dt:
02/24/1997
3
PARKER, ROBERT G.
Exec Dt:
02/24/1997
Assignee
1
LUMONICS INC.
105 SCHNEIDER ROAD
KANATA, ONTARIO, CANADA K2K 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5812569
NONE
08821546
Correspondence name and address
KIRBY, EADES, GALE, BAKER
JOHN A. BAKER
BOX 3432, STN. D
OTTAWA, ONTARIO
CANADA K1P 6N9
Assignment: 13
Reel/Frame:011347/0291   Pages: 4
Recorded: 11/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WALKER, DAVID R.
Exec Dt:
11/10/2000
Assignee
1
ONYX INDUSTRIAL SERVICES, INC.
3018 NORTH HIGHWAY 146
BAYTOWN, TEXAS 77520
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6136077
NONE
09187013
Correspondence name and address
BRACEWELL & PATTERSON, L.L.P.
ALBERT B. KIMBALL, JR.
711 LOUISIANA, SUITE 2900
HOUSTON, TX 77002
Assignment: 14
Reel/Frame:011604/0958   Pages: 2
Recorded: 03/19/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRIMACOMBE, ROBERT K.
Exec Dt:
03/08/2001
2
WALKER, DAVID R.
Exec Dt:
03/07/2001
Assignee
1
NORTEL NETWORKS LIMITED
WORLD TRADE CENTER OF MONTREAL
380 ST. ANTOINE STREET WEST, 8TH FLOOR
MONTREAL QUEBEC, CANADA H2Y 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020114597
09745410
Correspondence name and address
SMART & BIGGAR
ATTENTION: RONALD D. FAGGETTER
438 UNIVERSITY AVENUE
SUITE 1500, BOX 111
TORONTO, ONTARIO CANADA M5G 2K8
Assignment: 15
Reel/Frame:016016/0025   Pages: 3
Recorded: 11/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WALKER, DAVID R.
Exec Dt:
11/22/2004
Assignee
1
ONYX INDUSTRIAL SERVICES, INC.
3018 NORTH HIGHWAY 146
BAYTOWN, TEXAS 77520
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6457348
US20020134141
09813248
Correspondence name and address
CONSTANCE G. RHEBERGEN
BRACEWELL & PATTERSON, L.L.P.
P.O. BOX 61389
HOUSTON, TEXAS 77208-1389
Assignment: 16
Reel/Frame:024670/0845   Pages: 6
Recorded: 07/13/2010
Attorney Dkt #:1028-042US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KITAI, ANTON THEODORE
Exec Dt:
06/11/2008
2
LABELLE, PAUL ANDREW
Exec Dt:
06/13/2008
3
PARKER, ROBERT GLENN
Exec Dt:
06/12/2008
4
WALKER, DAVID R.
Exec Dt:
06/12/2008
Assignee
1
PROCESS PHOTONICS
349 TERRY FOX DRIVE
OTTAWA, ONTARIO, CANADA K2K 2V6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8674714
US20100271058
12667106
Correspondence name and address
SHUMAKER & SIEFFERT, P. A.
1625 RADIO DRIVE
SUITE 300
WOODBURY, MN 55125
Assignment: 17
Reel/Frame:023358/0363   Pages: 6
Recorded: 10/12/2009
Attorney Dkt #:36701-US-PAT (85168)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRIFFIN, JASON T.
Exec Dt:
10/08/2009
2
WALKER, DAVID R.
Exec Dt:
10/09/2009
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, ONTARIO, CANADA N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9106275
US20110070829
12565912
Correspondence name and address
CHRISTOPHER F. REGAN
255 SOUTH ORANGE AVENUE, SUITE 1401
ORLANDO, FL 32801
Assignment: 18
Reel/Frame:024737/0824   Pages: 7
Recorded: 07/26/2010
Attorney Dkt #:MRL-MIS-00001-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, BRIAN K.
Exec Dt:
03/09/2010
2
ALLAIN, LEONARDO R.
Exec Dt:
03/29/2010
3
GEER, DAVID
Exec Dt:
03/29/2010
4
MAHAJAN, RAJIV
Exec Dt:
03/10/2010
5
WALKER, DAVID R.
Exec Dt:
03/29/2010
6
KIRCHMEIER, MARC J.
Exec Dt:
04/17/2010
Assignee
1
MERCK SHARP & DOHME CORP
126 EAST LINCOLN AVENUE
RY60-30
RAHWAY, NEW JERSEY 07065
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100216667
12640481
Correspondence name and address
MERCK & CO., INC.
P.O. BOX 2000
RY60-30
RAHWAY, NJ 07065
Assignment: 19
Reel/Frame:026734/0545   Pages: 9
Recorded: 08/11/2011
Attorney Dkt #:85197
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALKER, DAVID R.
Exec Dt:
04/28/2011
2
ROSE, SCOTT D.
Exec Dt:
07/20/2011
3
MOOSAVI, VAHID
Exec Dt:
07/20/2011
4
GRIFFIN, JASON T.
Exec Dt:
04/28/2011
5
FYKE, STEVEN H.
Exec Dt:
04/28/2011
Assignee
1
RESEARCH IN MOTION LIMITED
295 PHILLIP STREET
WATERLOO, ONTARIO, CANADA N2L 3W8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8669844
US20120075068
12888632
Correspondence name and address
CHRISTOPHER F. REGAN
255 SOUTH ORANGE AVENUE, SUITE 1401
ORLANDO, FL 32801
Assignment: 20
Reel/Frame:028443/0819   Pages: 8
Recorded: 06/26/2012
Attorney Dkt #:P1794 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEN, JINXI
Exec Dt:
04/04/2012
2
WALKER, DAVID R.
Exec Dt:
04/03/2012
3
FRENKEL, LEONID
Exec Dt:
04/04/2012
4
ZHANG, YU
Exec Dt:
04/23/2012
5
FONDEUR, BARTHELEMY
Exec Dt:
04/04/2012
6
MILINKOVIC, VLATKO
Exec Dt:
04/23/2012
7
HUA, YIMIN
Exec Dt:
04/03/2012
Assignee
1
JDS UNIPHASE CORPORATION
430 N. MCCARTHY BOULEVARD
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8731400
US20130266313
13442672
Correspondence name and address
PEQUIGNOT + MYERS LLC
90 NORTH COAST HIGHWAY 101
SUITE 208
ENCINITAS, CA 92024
Assignment: 21
Reel/Frame:031376/0419   Pages: 8
Recorded: 10/09/2013
Attorney Dkt #:P1818 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FONDEUR, BARTHELEMY
Exec Dt:
03/27/2013
2
SHEN, JINXI
Exec Dt:
03/29/2013
3
FRENKEL, LEONID
Exec Dt:
03/29/2013
4
HUA, YIMIN
Exec Dt:
09/09/2013
5
WALKER, DAVID R.
Exec Dt:
09/05/2013
6
ZHANG, YU
Exec Dt:
09/05/2013
7
MILINKOVIC, VLATKO
Exec Dt:
09/05/2013
Assignee
1
JDS UNIPHASE CORPORATION
430 N. MCCARTHY BOULEVARD
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140293393
13852826
Correspondence name and address
PEQUIGNOT + MYERS LLC
90 NORTH COAST HIGHWAY 101
SUITE 315
ENCINITAS, CA 92024
Assignment: 22
Reel/Frame:037026/0216   Pages: 8
Recorded: 11/12/2015
Attorney Dkt #:0100-0004C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FONDEUR, BARTHELEMY
Exec Dt:
03/27/2013
2
SHEN, JINXI
Exec Dt:
03/29/2013
3
FRENKEL, LEONID
Exec Dt:
03/29/2013
4
HUA, YIMIN
Exec Dt:
09/09/2013
5
WALKER, DAVID R.
Exec Dt:
09/05/2013
6
ZHANG, YU
Exec Dt:
09/05/2013
7
MILINKOVIC, VLATKO
Exec Dt:
09/05/2013
Assignee
1
JDS UNIPHASE CORPORATION
430 N. MCCARTHY BLVD.
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160062208
14939123
Correspondence name and address
HARRITY & HARRITY, LLP
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030
Assignment: 23
Reel/Frame:038653/0880   Pages: 8
Recorded: 05/20/2016
Attorney Dkt #:0100-0004C2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FONDEUR, BARTHELEMY
Exec Dt:
03/27/2013
2
SHEN, JINXI
Exec Dt:
03/29/2013
3
FRENKEL, LEONID
Exec Dt:
03/29/2013
4
HUA, YIMIN
Exec Dt:
09/09/2013
5
WALKER, DAVID R.
Exec Dt:
09/05/2013
6
ZHANG, YU
Exec Dt:
09/05/2013
7
MILINKOVIC, VLATKO
Exec Dt:
09/05/2013
Assignee
1
JDS UNIPHASE CORPORATION
430 N. MCCARTHY BLVD.
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9874698
US20170168241
15152270
Correspondence name and address
HARRITY & HARRITY
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030
Assignment: 24
Reel/Frame:050997/0314   Pages: 3
Recorded: 11/13/2019
Attorney Dkt #:1262.022
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WALKER, DAVID R.
Exec Dt:
11/13/2019
Assignee
1
DX RESOURCES, LLC
P.O. BOX 271352
TAMPA, FLORIDA 33688
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11046925
NONE
16682457
Correspondence name and address
BOYLE FREDRICKSON S.C.
840 NORTH PLANKINTON AVENUE
MILWAUKEE, WI 53203

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