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Patent Assignment Assignor Details
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Assignor Name : LEUNG, WALLACE WOON FONG
Total Assignments: 9
Assignment: 1
Reel/Frame:008395/0946   Pages: 5
Recorded: 02/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
11/08/1996
2
JOHNSON, MICHAEL H.
Exec Dt:
11/18/1996
3
TURICK, DANIEL J.
Exec Dt:
11/08/1996
4
WATKINS, LARRY A.
Exec Dt:
11/07/1996
5
LEUNG, WALLACE WOON FONG
Exec Dt:
11/27/1996
Assignee
1
BAKER HUGHES INCORPORATED
LEGAL DEPRTMENT, 12TH FLOOR
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5762149
NONE
08469968
Correspondence name and address
CARL A. ROWOLD
LEGAL DEPT.
3900 ESSEX LANE
12TH FLOOR
HOUSTON, TX 77027
Assignment: 2
Reel/Frame:009323/0150   Pages: 4
Recorded: 07/06/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUNG, WALLACE WOON FONG
Exec Dt:
05/20/1998
2
FROHLICH, NICHOLAS R. JR.
Exec Dt:
06/12/1998
Assignee
1
BAKER HUGHES, INC.
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6109452
NONE
09090652
Correspondence name and address
CESARI AND MCKENNA, LLP
MICHAEL R. REINEMANN
30 ROWES WHARF
BOSTON, MA 02110
Assignment: 3
Reel/Frame:011905/0964   Pages: 4
Recorded: 06/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUNG, WALLACE WOON FONG
Exec Dt:
05/20/1998
2
FROHLICH, NICHOLAS R. JR.
Exec Dt:
05/20/1998
Assignee
1
BAKER HUGHES, INC.
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6267250
NONE
09616504
Correspondence name and address
CESARI & MCKENNA, LLP
MICHAEL R. REINEMANN
88 BLACK FALCON AVENUE
BOSTON, MA 02210
Assignment: 4
Reel/Frame:011977/0307   Pages: 4
Recorded: 07/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUNG, WALLACE WOON FONG
Exec Dt:
05/20/1998
2
FROHLICH, NICHOLAS R. JR.
Exec Dt:
05/20/1998
Assignee
1
BAKER HUGHES, INC.
669 WEST 200 SOUTH
SALT LAKE CITY, UTAH 84101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6514421
US20020030024
09900261
Correspondence name and address
CESARI & MCKENNA, LLP
MICHAEL R. REINEMANN
88 BLACK FALCON AVENUE
BOSTON, MA 02210
Assignment: 5
Reel/Frame:022557/0517   Pages: 3
Recorded: 04/16/2009
Attorney Dkt #:WKG04-055-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LO, SAMUEL CHUN LAP
Exec Dt:
04/01/2009
2
BUTT, YOKL KWOK CHU
Exec Dt:
04/01/2009
3
LEUNG, WALLACE WOON FONG
Exec Dt:
04/01/2009
Assignee
1
THE HONG KONG POLYTECHNIC UNIVERSITY
HUNG HOM
KOWLOON, HONG KONG
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100240546
12408547
Correspondence name and address
EVAN LAW GROUP LLC
600 W. JACKSON BLVD.
SUITE 625
CHICAGO, IL 60661
Assignment: 6
Reel/Frame:028304/0325   Pages: 2
Recorded: 06/01/2012
Attorney Dkt #:710430/VES
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LO, SAMUEL CHUN LAP
Exec Dt:
04/20/2012
2
BUTT, YOKI KWOK CHU
Exec Dt:
04/20/2012
3
LEUNG, WALLACE WOON FONG
Exec Dt:
04/23/2012
Assignee
1
THE HONG KONG POLYTECHNIC UNIVERSITY
HUNG HOM
KOWLOON, HONG KONG, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120282631
13469316
Correspondence name and address
JEFFREY A. WYAND
700 THIRTEENTH STREET, N.W.
SUITE 300
WASHINGTON, DC 20005
Assignment: 7
Reel/Frame:037315/0429   Pages: 3
Recorded: 12/17/2015
Attorney Dkt #:720274/VES
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUNG, WALLACE WOON FONG
Exec Dt:
12/01/2015
2
PEI, CHUN
Exec Dt:
12/01/2015
Assignee
1
HONG KONG POLYTECHNIC UNIVERSITY
HUNG HOM
KOWLOON, HONG KONG, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10315191
US20150266013
14666607
Correspondence name and address
JEFFREY A. WYAND
700 THIRTEENTH STREET, N.W.
SUITE 300
WASHINGTON, DC 20005
Assignment: 8
Reel/Frame:047669/0660   Pages: 3
Recorded: 12/04/2018
Attorney Dkt #:P10881US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEUNG, WALLACE WOON FONG
Exec Dt:
12/01/2018
Assignee
1
THE HONG KONG POLYTECHNIC UNIVERSITY
HUNG HOM, KOWLOON
HONG KONG, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11148085
US20190314746
16207857
Correspondence name and address
SPRUSON & FERGUSON HK
5001 HOPEWELL CENTRE
183 QUEEN'S ROAD EAST, WAN CHAI
HONG KONG, HONG KONG
Assignment: 9
Reel/Frame:062390/0356   Pages: 3
Recorded: 01/17/2023
Attorney Dkt #:P22151US00/34577-130
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEUNG, WALLACE WOON FONG
Exec Dt:
01/16/2023
Assignee
1
THE HONG KONG POLYTECHNIC UNIVERSITY
HUNG HOM, KOWLOON
HONG KONG, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230311037
18005682
Correspondence name and address
CHARLES J. MEYER
111 MONUMENT CIRCLE, SUITE 3700
INDIANAPOLIS, IN 46204

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