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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 : LEPPIN, DENNIS
Total Assignments: 11
Assignment: 1
Reel/Frame:008008/0993   Pages: 2
Recorded: 06/27/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MENSINGER, MICHAEL C.
Exec Dt:
04/26/1996
2
REHMAT, AMIRALI G.
Exec Dt:
04/26/1996
3
LEPPIN, DENNIS
Exec Dt:
04/26/1996
Assignee
1
GAS RESEARCH INSTITUTE
8600 W. BRYN MAWR
CHICAGO, ILLINOIS 60631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5876677
NONE
08637525
Correspondence name and address
LAW OFFICES OF DICK AND HARRIS
JODY L. FACTOR
181 WEST MADISON STREET
CHICAGO, IL 60602
Assignment: 2
Reel/Frame:009451/0861   Pages: 3
Recorded: 09/09/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEPPIN, DENNIS
Exec Dt:
05/11/1998
Assignee
1
GAS RESEARCH INSTITUTE
8600 WEST BRYN MAWR AVENUE
CHICAGO, ILLINOIS 60631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5958360
NONE
09019957
Correspondence name and address
SPECKMAN PAULEY PETERSEN & FEJER
NICK C. KOTTIS
2800 WEST HIGGINS ROAD
SUITE 365
HOFFMAN ESTATES, IL 60195
Assignment: 3
Reel/Frame:011440/0487   Pages: 3
Recorded: 01/03/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEPPIN, DENNIS
Exec Dt:
10/16/2000
Assignee
1
GAS RESEARCH INSTITUTE
8600 WEST BRYN MAWR AVENUE
CHICAGO, ILLINOIS 60631
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6475451
NONE
09644361
Correspondence name and address
PAULEY PETERSEN KINNE & FEJER
NICK C. KOTTIS
2800 WEST HIGGINS ROAD
SUITE 365
HOFFMAN ESTATES, IL 60195
Assignment: 4
Reel/Frame:014773/0897   Pages: 3
Recorded: 12/04/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEPPIN, DENNIS
Exec Dt:
12/03/2003
2
SIVARMAN, ALWARAPPA
Exec Dt:
12/03/2003
Assignee
1
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6946017
US20050120878
10728332
Correspondence name and address
GAS TECHNOLOGY INSTITUTE
MARK E. FEJER
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Assignment: 5
Reel/Frame:019089/0209   Pages: 4
Recorded: 03/13/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JAMAL, AQIL
Exec Dt:
03/12/2007
2
MEYER, HOWARD S.
Exec Dt:
03/12/2007
3
PALLA, NAGARAJU
Exec Dt:
03/12/2007
4
LEPPIN, DENNIS
Exec Dt:
03/12/2007
Assignee
1
GASS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7544340
US20080226525
11717251
Correspondence name and address
MARK E. FEJER
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, IL 60018
Assignment: 6
Reel/Frame:022937/0688   Pages: 3
Recorded: 07/10/2009
Attorney Dkt #:GTI-1724
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEPPIN, DENNIS
Exec Dt:
07/09/2009
Assignee
1
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100303693
12500635
Correspondence name and address
MARK E. FEJER GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, IL 60018
Assignment: 7
Reel/Frame:023145/0343   Pages: 3
Recorded: 08/26/2009
Attorney Dkt #:GTI-1744
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEPPIN, DENNIS
Exec Dt:
08/20/2009
2
MEYER, HOWARD S.
Exec Dt:
08/25/2009
Assignee
1
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7811544
NONE
12547525
Correspondence name and address
MARK E. FEJER GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, IL 60018
Assignment: 8
Reel/Frame:023885/0454   Pages: 5
Recorded: 02/02/2010
Attorney Dkt #:GTI-1755
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BASU, ARUNABHA
Exec Dt:
01/12/2010
2
RABOVITSER, IOSIF K
Exec Dt:
01/12/2010
3
LEWNARD, JOHN J
Exec Dt:
01/31/2010
4
PRATAPAS, JOHN M
Exec Dt:
01/12/2010
5
MEYER, HOWARD S
Exec Dt:
01/14/2010
6
LEPPIN, DENNIS
Exec Dt:
01/12/2010
7
BOULANOV, DMITRI
Exec Dt:
01/12/2010
Assignee
1
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8268896
US20110034569
12698428
Correspondence name and address
MARK E. FEJER GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, IL 60018
Assignment: 9
Reel/Frame:024537/0211   Pages: 5
Recorded: 06/15/2010
Attorney Dkt #:GTI-1729-CIP-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARKER, TERRY L.
Exec Dt:
06/10/2010
2
FELIX, LARRY G.
Exec Dt:
06/09/2010
3
LINCK, MARTIN B.
Exec Dt:
06/10/2010
4
MEYER, HOWARD S.
Exec Dt:
06/11/2010
5
LEPPIN, DENNIS
Exec Dt:
06/10/2010
Assignee
1
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8915981
US20100251615
12815743
Correspondence name and address
MARK E. FEJER GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, IL 60018
Assignment: 10
Reel/Frame:025996/0390   Pages: 4
Recorded: 03/22/2011
Attorney Dkt #:GTI-1826
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BASU, ARUNABHA
Exec Dt:
03/15/2011
2
MEYER, HOWARD S.
Exec Dt:
03/15/2011
3
LYNN, SCOTT
Exec Dt:
03/18/2011
4
LEPPIN, DENNIS
Exec Dt:
03/15/2011
5
WANGEROW, JAMES R.
Exec Dt:
03/15/2011
Assignee
1
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8241603
NONE
13053551
Correspondence name and address
MARK E. FEJER GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, IL 60018
Assignment: 11
Reel/Frame:033123/0422   Pages: 5
Recorded: 06/03/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEPPIN, DENNIS
Exec Dt:
05/22/2014
2
MAKKUNI, AJAY
Exec Dt:
05/30/2014
3
TAMALE, TIMOTHY
Exec Dt:
05/22/2014
Assignee
1
GAS TECHNOLOGY INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD
DES PLAINES, ILLINOIS 60018-1804
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9050557
NONE
14291911
Correspondence name and address
PAULEY PETERSEN & ERICKSON
2800 WEST HIGGINS ROAD
SUITE 365
HOFFMAN ESTATES IL 60169

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