skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : CHANG, PEI K.
Total Assignments: 26
Assignment: 1
Reel/Frame:003915/0188   Pages: 1
Recorded: 10/09/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/23/1980
2
Exec Dt:
09/23/1980
Assignee
1
CONNECTICUT
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06187352
Correspondence name and address
PAUL J. JUETTNER
STAUFFER CHEMICAL CO.
ENGINEERING CENTER
DOBBS FERRY, NY 10522
Assignment: 2
Reel/Frame:003915/0209   Pages: 1
Recorded: 10/09/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
04/10/1981
Assignee
1
CONNECTICUT
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06253967
Correspondence name and address
PAUL J. JUETTNER
STAUFFER CHEMICAL CO.
ENGR. CENTER
DOBBS FERRY
NEW YORK, NY 10522
Assignment: 3
Reel/Frame:003950/0861   Pages: 1
Recorded: 12/11/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/20/1981
Assignee
1
A CORP OF DE
WESTPORT, CONNECTICUT 06881
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06324321
Correspondence name and address
PAUL J. JUETTNER
STAUFFER CHEMICAL CO.
ENGINEERING CENTER
DOBBS FERRY, NY 10522
Assignment: 4
Reel/Frame:004333/0559   Pages: 1
Recorded: 11/30/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/24/1982
Assignee
1
WESTPORT, CONNECTICUT 06881
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06446825
Correspondence name and address
PAUL J. JUETTNER
STAUFFER CHEMICAL CO., ENGR. CTR.
DOBBS FERRY
NEW YORK, NY 10522
Assignment: 5
Reel/Frame:004384/0971   Pages: 1
Recorded: 04/11/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/24/1982
Assignee
1
WESTPORT, CONNECTICUT 06881
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06446827
Correspondence name and address
PAUL J. JUETTNER
STAUFFER CHEMICAL CO.
ENGR. CENTER
DOBBS FERRY
NEW YORK, NY 10522
Assignment: 6
Reel/Frame:006525/0420   Pages: 3
Recorded: 03/31/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/16/1993
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577-1444
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08040592
Correspondence name and address
LINDA S. EVANS
FINNEGAN, HENDERSON ET AL.
1300 I STREET, N.W.
WASHINGTON, DC 20005-3315
Assignment: 7
Reel/Frame:006569/0883   Pages: 4
Recorded: 06/07/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/25/1993
2
Exec Dt:
05/25/1993
3
Exec Dt:
05/25/1993
4
Exec Dt:
05/25/1993
5
Exec Dt:
05/31/1993
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577-1444
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08041221
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW ET AL.
LINDA S. EVANS
SUITE 700
1300 I STREET, N.W.
WASHINGTON, DC 20005-3315
Assignment: 8
Reel/Frame:008824/0278   Pages: 2
Recorded: 10/07/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/10/1997
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10570
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08834549
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, ET AL.
JAMES B. MONROE
1300 I STREET, N.W.
WASHINGTON, D.C. 20005
Assignment: 9
Reel/Frame:010001/0892   Pages: 3
Recorded: 06/08/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/26/1999
2
Exec Dt:
06/04/1999
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09079281
Correspondence name and address
FITZPATRICK, CELLA, HARPER & SCINTO
PASQUALE A. RAZZANO
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112-3801
Assignment: 10
Reel/Frame:010910/0232   Pages: 3
Recorded: 06/14/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/12/2000
2
Exec Dt:
06/12/2000
3
Exec Dt:
06/12/2000
4
Exec Dt:
06/12/2000
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09593759
Correspondence name and address
FITZPATRICK, CELLA, HARPER & SCINTO
MATTHEW J. GOLDEN
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112-3801
Assignment: 11
Reel/Frame:012497/0869   Pages: 3
Recorded: 01/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/08/2002
2
Exec Dt:
01/08/2002
3
Exec Dt:
01/08/2002
4
Exec Dt:
01/08/2002
5
Exec Dt:
01/08/2002
6
Exec Dt:
01/08/2002
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09982180
Correspondence name and address
FITZPATRICK, CELLA, HARPER & SCINTO
PASQUALE A. RAZZANO
30 ROCKEFELLER PLAZA
NEW YORK, NEW YORK 10112-3801
Assignment: 12
Reel/Frame:018217/0951   Pages: 2
Recorded: 09/07/2006
Attorney Dkt #:PEP-0358
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/24/2006
2
Exec Dt:
01/24/2006
3
Exec Dt:
01/24/2006
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11338972
Correspondence name and address
BETSY KINGSBURY DOWD
599 LEXINGTON AVENUE, 23RD FL.
GOODWIN PROCTER LLP
NEW YORK, NY 10022
Assignment: 13
Reel/Frame:017733/0447   Pages: 2
Recorded: 06/06/2006
Attorney Dkt #:PEP-0101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/03/2006
2
Exec Dt:
03/03/2006
3
Exec Dt:
03/03/2006
4
Exec Dt:
03/03/2006
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11344426
Correspondence name and address
GOODWIN PROCTER LLP ATTN: PATENT ADMIN
EXCHANGE PLACE
BOSTON, MA 02109
Assignment: 14
Reel/Frame:019471/0571   Pages: 5
Recorded: 06/25/2007
Attorney Dkt #:006943.01912
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/28/2006
2
Exec Dt:
09/28/2006
3
Exec Dt:
09/28/2006
4
Exec Dt:
09/28/2006
Assignee
1
700 ANDERSON HILL ROAD
PURCHASE, NEW YORK 10577
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11538303
Correspondence name and address
BANNER & WITCOFF, LTD.
1100 13TH STREET, N.W.
SUITE 1200
WASHINGTON, DC 20005
Assignment: 15
Reel/Frame:020211/0244   Pages: 5
Recorded: 12/07/2007
Attorney Dkt #:006943.00065
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
4
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11686335
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 16
Reel/Frame:020211/0346   Pages: 5
Recorded: 12/07/2007
Attorney Dkt #:006943.00068
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
4
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11686120
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 17
Reel/Frame:020211/0635   Pages: 5
Recorded: 12/07/2007
Attorney Dkt #:006943.00069
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
4
Exec Dt:
11/19/2007
5
Exec Dt:
11/19/2007
6
Exec Dt:
11/21/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11686305
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 18
Reel/Frame:020211/0700   Pages: 5
Recorded: 12/07/2007
Attorney Dkt #:006943.00070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
4
Exec Dt:
11/19/2007
5
Exec Dt:
11/19/2007
6
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11686318
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 19
Reel/Frame:020211/0814   Pages: 3
Recorded: 12/07/2007
Attorney Dkt #:006943.00074
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11686258
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 20
Reel/Frame:020213/0032   Pages: 3
Recorded: 12/07/2007
Attorney Dkt #:006943.00082
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11686248
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 21
Reel/Frame:020213/0117   Pages: 5
Recorded: 12/07/2007
Attorney Dkt #:006943.01070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
4
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11686753
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 22
Reel/Frame:027698/0341   Pages: 5
Recorded: 02/14/2012
Attorney Dkt #:006943.04722
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
4
Exec Dt:
11/19/2007
5
Exec Dt:
11/19/2007
6
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET
WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13217845
Correspondence name and address
REBECCA P. ROKOS
TEN SOUTH WACKER DRIVE
SUITE 3000
CHIC, IL 60606
Assignment: 23
Reel/Frame:028967/0366   Pages: 4
Recorded: 09/17/2012
Attorney Dkt #:006943.05446
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/19/2007
2
Exec Dt:
11/19/2007
3
Exec Dt:
11/19/2007
4
Exec Dt:
11/19/2007
Assignee
1
20 REID STREET
WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13613243
Correspondence name and address
BANNER & WITCOFF, LTD.
1100 13TH STREET, N.W.
SUITE 1200
WASHINGTON, DC 20001
Assignment: 24
Reel/Frame:020211/0108   Pages: 5
Recorded: 12/07/2007
Attorney Dkt #:006943.00049
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/27/2007
2
Exec Dt:
11/30/2007
3
Exec Dt:
11/27/2007
4
Exec Dt:
11/27/2007
5
Exec Dt:
11/27/2007
6
Exec Dt:
11/27/2007
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11686327
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 25
Reel/Frame:020594/0870   Pages: 5
Recorded: 03/04/2008
Attorney Dkt #:056943.00100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/27/2008
2
Exec Dt:
02/27/2008
3
Exec Dt:
02/27/2008
4
Exec Dt:
02/27/2008
Assignee
1
20 REID STREET, WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11962299
Correspondence name and address
PETER D. MCDERMOTT, BANNER & WITCOFF LTD
28 STATE STREET, 28TH FLOOR
BOSTON, MA 02109
Assignment: 26
Reel/Frame:028967/0705   Pages: 4
Recorded: 09/17/2012
Attorney Dkt #:006943.05447
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/27/2008
2
Exec Dt:
02/27/2008
3
Exec Dt:
02/27/2008
4
Exec Dt:
02/27/2008
Assignee
1
20 REID STREET
WILLIAM HOUSE
HAMILTON, BERMUDA HM-11
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13613275
Correspondence name and address
BANNER & WITCOFF, LTD.
1100 13TH STREET, N.W.
SUITE 1200
WASHINGTON, DC 20005

Search Results as of: 06/03/2024 09:55 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT