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 : SHKOLNIK, ALEXANDR
Total Assignments: 10
Assignment: 1
Reel/Frame:008150/0177   Pages: 4
Recorded: 09/23/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEYGIN, MICHAEL
Exec Dt:
08/07/1996
2
SHKOLNIK, ALEXANDR
Exec Dt:
08/08/1996
3
DIAMOND, MICHAEL N.
Exec Dt:
08/08/1996
4
DVORSKIY, EMMANUIL
Exec Dt:
08/08/1996
Assignee
1
HELISYS, INC.
24015 GARNIER STREET
TORRANCE, CALIFORNIA 90505
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5730817
NONE
08635506
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
WILLIAM H. NIEMAN
SIXTEENTH FLOOR
620 NEWPORT CENTER DRIVE
NEWPORT BEACH, CA 92660
Assignment: 2
Reel/Frame:009436/0825   Pages: 4
Recorded: 09/03/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEYGIN, MICHAEL
Exec Dt:
08/11/1998
2
SHKOLNIK, ALEXANDR
Exec Dt:
08/11/1998
3
DIAMOND, MICHAEL N.
Exec Dt:
08/15/1998
4
DVORSKIY, EMMANUIL
Exec Dt:
08/17/1998
Assignee
1
HELISYS, INC.
24015 GARNIER STREET
TORRANCE, CALIFORNIA 90505
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5730817
NONE
08635506
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
WILLIAM H. NIEMAN
SIXTEENTH FLOOR
620 NEWPORT CENTER DRIVE
NEWPORT BEACH, CA 92660
Assignment: 3
Reel/Frame:016469/0135   Pages: 2
Recorded: 07/05/2005
Attorney Dkt #:61348(70301)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHKOLNIK, ALEXANDR
Exec Dt:
04/19/2005
2
JOHN, HENDRIK
Exec Dt:
04/07/2005
3
EL-SIBLANI, ALI
Exec Dt:
04/11/2005
Assignee
1
ENVISIONTEC GMBH
BRUSSELER STRASSE 51
45968 GLADBECK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7845930
US20050248061
11123973
Correspondence name and address
GEORGE W. NEUNER
EDWARDS & ANGELL, LLP
P.O. BOX 55874
BOSTON, MA 02205
Assignment: 4
Reel/Frame:016469/0483   Pages: 2
Recorded: 07/05/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHKOLNIK, ALEXANDR
Exec Dt:
04/19/2005
2
JOHN, HENDRIK
Exec Dt:
04/07/2005
3
EL-SIBLANI, ALI
Exec Dt:
04/11/2005
Assignee
1
ENVISIONTEC GMBH
BRUSSELER STRASSE 51
45968 GLADBECK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7790093
US20050248062
11126068
Correspondence name and address
EDWARDS & ANGELL, LLP
GEORGE W. NEUNER
P.O. BOX 55874
BOSTON, MA 02205
Assignment: 5
Reel/Frame:019113/0389   Pages: 5
Recorded: 04/04/2007
Attorney Dkt #:67438(70301)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHKOLNIK, ALEXANDR
Exec Dt:
03/03/2007
2
EL-SIBLANI, ALI
Exec Dt:
03/07/2007
3
JOHN, HENDRIK
Exec Dt:
03/03/2007
Assignee
1
ENVISIONTEC GMBH
BRUSSELER STRASSE 51
GLADBECK, GERMANY 45968
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7892474
US20080113293
11599769
Correspondence name and address
EDWARDS ANGELL PALMER & DODGE LLP
111 HUNTINGTON AVENUE
BOSTON, MA 02199
Assignment: 6
Reel/Frame:022053/0064   Pages: 7
Recorded: 01/05/2009
Attorney Dkt #:223233-119825
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHKOLNIK, ALEXANDR
Exec Dt:
11/18/2008
2
EL-SIBLANI, ALI
Exec Dt:
11/18/2008
Assignee
1
GLOBAL FILTRATION SYSTEMS
214 N. BEECH DALY RD.
DEARBORN HEIGHTS, MICHIGAN 48127
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8666142
US20100125356
12273428
Correspondence name and address
DANIEL J. HENRY
38500 WOODWARD AVENUE
SUITE 100
BLOOMFIELD HILLS, MI 48304
Assignment: 7
Reel/Frame:022545/0402   Pages: 7
Recorded: 04/14/2009
Attorney Dkt #:67003-0001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHKOLNIK, ALEXANDR
Exec Dt:
04/13/2009
2
EL-SIBLANI, ALI
Exec Dt:
04/10/2009
Assignee
1
GLOBAL FILTRATION SYSTEMS
214 BEECH DALY STREET
DEARBORN, MICHIGAN 48127
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8326024
US20100262272
12423500
Correspondence name and address
STEVEN R. HANSEN
39533 WOODWARD AVENUE
SUITE 140
BLOOMFIELD HILLS, MI 48304-0610
Assignment: 8
Reel/Frame:066670/0938   Pages: 6
Recorded: 03/06/2024
Attorney Dkt #:5009-0120
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JANBAIN, MOHAMAD
Exec Dt:
02/28/2024
2
SHKOLNIK, ALEXANDR
Exec Dt:
02/06/2024
3
XU, KIRIN
Exec Dt:
02/29/2024
Assignee
1
GULF FILTRATION SYSTEMS INC.
63 THIRD AVE.
SUITE 500
BURLINGTON, MASSACHUSETTS 01803
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240198590
18539815
Correspondence name and address
MR. STEVEN R HANSEN
P.O. BOX 300069
WATERFORD, MI 48330
Assignment: 9
Reel/Frame:067578/0839   Pages: 4
Recorded: 05/31/2024
Attorney Dkt #:5009-0119
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JANBAIN, MOHAMAD
Exec Dt:
05/03/2024
2
SHKOLNIK, ALEXANDR
Exec Dt:
04/30/2024
3
XU, KIRIN
Exec Dt:
05/01/2024
Assignee
1
GULF FILTRATION SYSTEMS INC.
63 THIRD AVE.
SUITE 500
BURLINGTON, MASSACHUSETTS 01803
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240293971
18540014
Correspondence name and address
MR. STEVEN R. HANSEN
P.O. BOX 300069
WATERFORD, MI 48330
Assignment: 10
Reel/Frame:068115/0705   Pages: 2
Recorded: 07/29/2024
Attorney Dkt #:T6742-2100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SHKOLNIK, ALEXANDR
Exec Dt:
07/03/2024
Assignee
1
TURBO 3D LLC
15603 BROADWAY CENTER STREET
GARDENA, CALIFORNIA 90248
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12202210
NONE
18762593
Correspondence name and address
MS. JOYCE MATHIS HEGEMAN
18400 VON KARMAN AVENUE, 8TH FLOOR
IRVINE, CA 92612-0514

Search Results as of: 06/19/2025 11:08 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