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 : ZHANG, GUOQIANG (DAVID)
Total Assignments: 8
Assignment: 1
Reel/Frame:009785/0426   Pages: 7
Recorded: 02/18/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOQIANG (DAVID)
Exec Dt:
02/05/1999
2
VOGELGESANG, RALPH V.
Exec Dt:
02/11/1999
3
POTTS, GREGORY
Exec Dt:
02/12/1999
4
ERK, HENRY F.
Exec Dt:
02/05/1999
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
P.O. BOX 8
501 PEARL DRIVE
ST. PETERS, MISSOURI 63376
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6179950
NONE
09252698
Correspondence name and address
SENNIGER, POWERS, LEAVITT ET AL.
KURT F. JAMES
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MO 63102
Assignment: 2
Reel/Frame:011214/0312   Pages: 5
Recorded: 10/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOQIANG (DAVID)
Exec Dt:
09/01/2000
2
XIN, YUN-BIAO
Exec Dt:
09/01/2000
3
ERK, HENRY F.
Exec Dt:
09/01/2000
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
P.O. BOX 8
501 PEARL DRIVE
ST. PETERS, MISSOURI 63376
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6454635
NONE
09633958
Correspondence name and address
SENNIGER, POWERS, LEAVITT & ROEDEL
EDWARD J. HEJLEK
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MISSOURI 63102
Assignment: 3
Reel/Frame:012431/0085   Pages: 10
Recorded: 01/07/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABBE, ALEXIS
Exec Dt:
06/26/2001
2
HALER, MICHELE L.
Exec Dt:
09/27/2001
3
HULL, ASHLEY S.
Exec Dt:
09/26/2001
4
BJELOPAVLIC, MICK
Exec Dt:
09/27/2001
5
ZHANG, GUOQIANG (DAVID)
Exec Dt:
10/01/2001
6
ERK, HENRY F.
Exec Dt:
10/15/2001
7
XIN, YUN-BIAO
Exec Dt:
10/15/2001
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
501 PEARL DRIVE, P.O. BOX 8
ST. PETERS, MISSOURI 63376
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6709981
US20020052064
09928559
Correspondence name and address
SENNIGER, POWERS, LEAVIT & ROEDEL
EDWARD J. HEJLEK
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MISSOURI 63102
Assignment: 4
Reel/Frame:013911/0259   Pages: 7
Recorded: 08/25/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, GUOQIANG (DAVID)
Exec Dt:
07/07/2003
2
ERK, HENRY FRANK
Exec Dt:
07/11/2003
3
RAGAN, TRACY M.
Exec Dt:
08/01/2003
4
KEARNS, JULIE A.
Exec Dt:
07/10/2003
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
501 PEARL DRIVE
P.O. BOX 8
ST. PETERS, MISSOURI 63376
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040038544
10420557
Correspondence name and address
SENNIGER, POWERS, LEAVITT & ROEDEL
RICHARD A. SCHUTH
ONE METROPOLITAN SQUARE
16TH FLOOR
ST. LOUIS, MO 63102
Assignment: 5
Reel/Frame:014945/0325   Pages: 11
Recorded: 01/21/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERK, HENRY F.
Exec Dt:
10/28/2003
2
CAPSTICK, JAMES R.
Exec Dt:
10/28/2003
3
DOANE, THOMAS E.
Exec Dt:
10/24/2003
4
GRABBE, ALEXIS
Exec Dt:
11/03/2003
5
SCHMIDT, JUDITH A.
Exec Dt:
10/27/2003
6
SING, ANNLIE
Exec Dt:
11/10/2003
7
STINSON, MARK G.
Exec Dt:
11/03/2003
8
ZHANG, GUOQIANG (DAVID)
Exec Dt:
10/28/2003
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
501 PEARL DRIVE, P.O. BOX 8
ST. PETERS, MISSOURI 63376
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040108297
10665982
Correspondence name and address
SENNIGER, POWERS, LEAVITT & ROEDEL
ANDREW C. WEGMAN, ESQ.
ONE METROPOLITAN SQUARE, 16TH FLOOR
ST. LOUIS, MO 63102
Assignment: 6
Reel/Frame:022560/0266   Pages: 10
Recorded: 04/17/2009
Attorney Dkt #:28744-3089
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERK, HENRY F.
Exec Dt:
04/03/2009
2
ALBRECHT, PETER D.
Exec Dt:
04/03/2009
3
HOLLANDER, EUGENE R.
Exec Dt:
04/06/2009
4
DOANE, THOMAS E.
Exec Dt:
04/08/2009
5
SCHMIDT, JUDITH A.
Exec Dt:
04/09/2009
6
VANDAMME, ROLAND R.
Exec Dt:
04/16/2009
7
ZHANG, GUOQIANG (DAVID)
Exec Dt:
04/03/2009
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
501 PEARL DRIVE
MAIL ZONE 33
ST. PETERS, MISSOURI 63376-5000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8309464
US20090247055
12415551
Correspondence name and address
ARMSTRONG TEASDALE LLP
ONE METROPOLITAN SQUARE, SUITE 2600
RICHARD A. SCHUTH
ST. LOUIS, MO 63102-2740
Assignment: 7
Reel/Frame:022560/0343   Pages: 10
Recorded: 04/17/2009
Attorney Dkt #:28744-3137
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERK, HENRY F.
Exec Dt:
04/03/2009
2
ALBRECHT, PETER D.
Exec Dt:
04/03/2009
3
HOLLANDER, EUGENE R.
Exec Dt:
04/06/2009
4
DOANE, THOMAS E.
Exec Dt:
04/08/2009
5
SCHMIDT, JUDITH A.
Exec Dt:
04/09/2009
6
VANDAMME, ROLAND R.
Exec Dt:
04/16/2009
7
ZHANG, GUOQIANG (DAVID)
Exec Dt:
04/03/2009
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
501 PEARL DRIVE
MAIL ZONE 33
ST. PETERS, MISSOURI 63376-5000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090242126
12415274
Correspondence name and address
ARMSTRONG TEASDALE LLP
ONE METROPOLITAN SQUARE, SUITE 2600
RICHARD A. SCHUTH
ST. LOUIS, MO 63102-2740
Assignment: 8
Reel/Frame:022560/0473   Pages: 10
Recorded: 04/17/2009
Attorney Dkt #:28744-3138
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERK, HENRY F.
Exec Dt:
04/03/2009
2
ALBRECHT, PETER D.
Exec Dt:
04/03/2009
3
HOLLANDER, EUGENE R.
Exec Dt:
04/06/2009
4
DOANE, THOMAS E.
Exec Dt:
04/08/2009
5
SCHMIDT, JUDITH A.
Exec Dt:
04/09/2009
6
VANDAMME, ROLAND R.
Exec Dt:
04/16/2009
7
ZHANG, GUOQIANG (DAVID)
Exec Dt:
04/03/2009
Assignee
1
MEMC ELECTRONIC MATERIALS, INC.
501 PEARL DRIVE
MAIL ZONE 33
ST. PETERS, MISSOURI 63376-5000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8192822
US20090246444
12415555
Correspondence name and address
ARMSTRONG TEASDALE LLP
ONE METROPOLITAN SQUARE, SUITE 2600
RICHARD A. SCHUTH
ST. LOUIS, MO 63102-2740

Search Results as of: 05/20/2024 10:03 PM
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