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Patent Assignment Assignor Details
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Assignor Name : LETTKEMAN, DENNIS M.
Total Assignments: 13
Assignment: 1
Reel/Frame:016832/0506   Pages: 5
Recorded: 08/03/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/05/2005
2
Exec Dt:
07/26/2005
3
Exec Dt:
07/26/2005
4
Exec Dt:
07/07/2005
5
Exec Dt:
07/07/2005
6
Exec Dt:
07/26/2005
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11152317
Correspondence name and address
GREER, BURNS & CRAIN, LTD.
LAWRENCE J. CRAIN
300 SOUTH WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 2
Reel/Frame:016857/0032   Pages: 5
Recorded: 08/04/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/05/2005
2
Exec Dt:
07/26/2005
3
Exec Dt:
07/05/2005
4
Exec Dt:
07/05/2005
5
Exec Dt:
07/26/2005
6
Exec Dt:
07/26/2005
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11152661
Correspondence name and address
LAWRENCE J. CRAIN
GREER BURNS & CRAIN, LTD.
300 SOUTH WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 3
Reel/Frame:016860/0476   Pages: 3
Recorded: 08/05/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/05/2005
2
Exec Dt:
07/05/2005
3
Exec Dt:
07/05/2005
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11152324
Correspondence name and address
GREER, BURNS & CRAIN, LTD.
LAWRENCE J. CRAIN
300 SOUTH WACKER DRIVE
SUITE 2500
CHICAGO, ILLINOIS 60606
Assignment: 4
Reel/Frame:016884/0659   Pages: 5
Recorded: 08/04/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/26/2005
2
Exec Dt:
07/26/2005
3
Exec Dt:
07/26/2005
4
Exec Dt:
07/05/2005
5
Exec Dt:
07/05/2005
6
Exec Dt:
07/05/2005
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11152323
Correspondence name and address
LAWRENCE J. CRAIN
GREER, BURNS & CRAIN, LTD.
300 SOUTH WACKER DRIVE
SUITE 2500
CHICAGO, ILLINOIS 60606
Assignment: 5
Reel/Frame:017180/0671   Pages: 7
Recorded: 02/16/2006
Attorney Dkt #:2033.72740
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE DOC DATE PREVIOUSLY RECORDED ON REEL 016832 FRAME 0840. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
Exec Dt:
07/26/2005
2
Exec Dt:
07/26/2005
3
Exec Dt:
07/26/2005
4
Exec Dt:
07/05/2005
5
Exec Dt:
07/05/2005
6
Exec Dt:
07/05/2005
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11152418
Correspondence name and address
LAWRENCE J. CRAIN
300 SOUTH WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 6
Reel/Frame:017197/0190   Pages: 7
Recorded: 02/21/2006
Attorney Dkt #:2033.72739
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE DOC DATE PREVIOUSLY RECORDED ON REEL 016832 FRAME 0506. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
Exec Dt:
07/05/2005
2
Exec Dt:
07/26/2005
3
Exec Dt:
07/26/2005
4
Exec Dt:
07/05/2005
5
Exec Dt:
07/05/2005
6
Exec Dt:
07/26/2005
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11152317
Correspondence name and address
LAWRENCE J. CRAIN
300 S. WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 7
Reel/Frame:016832/0840   Pages: 5
Recorded: 08/03/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/05/2005
2
Exec Dt:
07/05/2005
3
Exec Dt:
07/26/2005
4
Exec Dt:
07/26/2005
5
Exec Dt:
07/26/2005
6
Exec Dt:
07/07/2005
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11152418
Correspondence name and address
LAWRENCE J. CRAIN
GREER BURNS & CRAIN, LTD.
300 SOUTH WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 8
Reel/Frame:018091/0728   Pages: 7
Recorded: 08/11/2006
Attorney Dkt #:2033.75532
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/10/2006
2
Exec Dt:
06/27/2006
3
Exec Dt:
06/27/2006
4
Exec Dt:
07/12/2006
5
Exec Dt:
07/12/2006
6
Exec Dt:
07/12/2006
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11449924
Correspondence name and address
LAWRENCE J. CRAIN
300 S. WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 9
Reel/Frame:018091/0787   Pages: 9
Recorded: 08/11/2006
Attorney Dkt #:2033.75338
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/12/2006
2
Exec Dt:
06/22/2006
3
Exec Dt:
07/10/2006
4
Exec Dt:
07/12/2006
5
Exec Dt:
07/12/2006
6
Exec Dt:
06/27/2006
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11450068
Correspondence name and address
LAWRENCE J. CRAIN
300 S. WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 10
Reel/Frame:018102/0702   Pages: 7
Recorded: 08/14/2006
Attorney Dkt #:2033.75339
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/10/2006
2
Exec Dt:
06/27/2006
3
Exec Dt:
06/22/2006
4
Exec Dt:
07/12/2006
5
Exec Dt:
07/12/2006
6
Exec Dt:
07/12/2006
Assignee
1
125 SOUTH FRANKLIN STREET
CHICAGO, ILLINOIS 60606-4678
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11450086
Correspondence name and address
LAWRENCE J. CRAIN
300 S. WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 11
Reel/Frame:028478/0561   Pages: 8
Recorded: 07/02/2012
Attorney Dkt #:2033.102565/4365
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/30/2012
2
Exec Dt:
06/07/2012
3
Exec Dt:
03/30/2012
4
Exec Dt:
03/30/2012
Assignee
1
550 WEST ADAMS STREET
CHICAGO, ILLINOIS 60661-3676
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13435781
Correspondence name and address
LAWRENCE J. CRAIN
300 S. WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 12
Reel/Frame:043606/0710   Pages: 9
Recorded: 09/15/2017
Attorney Dkt #:4836/2033.128296
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/05/2017
2
Exec Dt:
09/12/2017
3
Exec Dt:
09/09/2017
4
Exec Dt:
09/07/2017
5
Exec Dt:
09/05/2017
Assignee
1
550 WEST ADAMS STREET
CHICAGO, ILLINOIS 60661
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15704958
Correspondence name and address
GREER, BURNS & CRAIN, LTD.
300 SOUTH WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606
Assignment: 13
Reel/Frame:060265/0289   Pages: 8
Recorded: 06/21/2022
Attorney Dkt #:5059 US GYP.2033.145684
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/12/2021
2
Exec Dt:
10/05/2021
3
Exec Dt:
10/05/2021
4
Exec Dt:
10/08/2021
Assignee
1
550 WEST ADAMS STREET
CHICAGO, ILLINOIS 60661
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17844403
Correspondence name and address
GREER, BURNS & CRAIN, LTD.
300 S. WACKER DRIVE
SUITE 2500
CHICAGO, IL 60606

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