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Patent Assignment Assignor Details
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Assignor Name : LEATZOW, DEREK
Total Assignments: 20
Assignment: 1
Reel/Frame:035136/0580   Pages: 4
Recorded: 03/11/2015
Attorney Dkt #:D0188.70293US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/08/2014
2
Exec Dt:
01/08/2014
Assignee
1
4640 N. RAVENSWOOD AVENUE
CHICAGO, ILLINOIS 60640
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14075354
Correspondence name and address
WOLF, GREENFIELD, & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 2
Reel/Frame:050790/0782   Pages: 4
Recorded: 10/22/2019
Attorney Dkt #:D0188.70293US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/08/2014
2
Exec Dt:
01/08/2014
Assignee
1
4640 N. RAVENSWOOD AVENUE
CHICAGO, ILLINOIS 60640
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16438869
Correspondence name and address
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 3
Reel/Frame:035129/0601   Pages: 4
Recorded: 03/10/2015
Attorney Dkt #:D0188.70290US00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/03/2015
2
Exec Dt:
03/03/2015
Assignee
1
4640 N. RAVENSWOOD AVENUE
CHICAGO, ILLINOIS 60640
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14075524
Correspondence name and address
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 4
Reel/Frame:049512/0336   Pages: 4
Recorded: 06/19/2019
Attorney Dkt #:D0188.70290US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/03/2015
2
Exec Dt:
03/03/2015
Assignee
1
4640 N. RAVENSWOOD AVENUE
CHICAGO, ILLINOIS 60640
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16375145
Correspondence name and address
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 5
Reel/Frame:056532/0255   Pages: 4
Recorded: 06/14/2021
Attorney Dkt #:D0188.70290US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/03/2015
2
Exec Dt:
03/03/2015
Assignee
1
4640 N. RAVENSWOOD AVENUE
CHICAGO, ILLINOIS 60640
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17110881
Correspondence name and address
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 6
Reel/Frame:035689/0486   Pages: 11
Recorded: 05/21/2015
Attorney Dkt #:C00008403.USU1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/30/2015
2
Exec Dt:
04/30/2015
3
Exec Dt:
05/12/2015
4
Exec Dt:
05/04/2015
5
Exec Dt:
05/11/2015
6
Exec Dt:
05/04/2015
7
Exec Dt:
05/01/2015
8
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46582-8598
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14341026
Correspondence name and address
RICHARD D. WATKINS
2600 SOFAMOR DANEK DRIVE
SS-46
MEMPHIS, TN 38132
Assignment: 7
Reel/Frame:035689/0645   Pages: 11
Recorded: 05/21/2015
Attorney Dkt #:C00008404.USU1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/30/2015
2
Exec Dt:
04/30/2015
3
Exec Dt:
05/12/2015
4
Exec Dt:
05/04/2015
5
Exec Dt:
05/11/2015
6
Exec Dt:
05/04/2015
7
Exec Dt:
05/01/2015
8
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46582-8598
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14341256
Correspondence name and address
RICHARD D. WATKINS
2600 SOFAMOR DANEK DRIVE
SS-46
MEMPHIS, TN 38132
Assignment: 8
Reel/Frame:035689/0911   Pages: 11
Recorded: 05/21/2015
Attorney Dkt #:C00008405.USU1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/30/2015
2
Exec Dt:
04/30/2015
3
Exec Dt:
05/12/2015
4
Exec Dt:
05/04/2015
5
Exec Dt:
05/11/2015
6
Exec Dt:
05/04/2015
7
Exec Dt:
05/01/2015
8
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46582-8598
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14341461
Correspondence name and address
RICHARD D. WATKINS
2600 SOFAMOR DANEK DRIVE
SS-46
MEMPHIS, TN 38132
Assignment: 9
Reel/Frame:043444/0090   Pages: 13
Recorded: 08/30/2017
Attorney Dkt #:C8404.USV2-1502-1496-DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/2014
2
Exec Dt:
04/30/2015
3
Exec Dt:
04/30/2015
4
Exec Dt:
05/12/2015
5
Exec Dt:
05/04/2015
6
Exec Dt:
05/11/2015
7
Exec Dt:
05/04/2015
8
Exec Dt:
05/01/2015
9
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46581
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15689810
Correspondence name and address
SORELL LENNA & SCHMIDT, LLP
99 SMITHTOWN BYP.
2ND FL.
HAUPPAUGE, NY 11788
Assignment: 10
Reel/Frame:043586/0830   Pages: 16
Recorded: 09/14/2017
Attorney Dkt #:C8405.USV6-1502-1498 DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/2014
2
Exec Dt:
04/30/2015
3
Exec Dt:
04/30/2015
4
Exec Dt:
05/12/2015
5
Exec Dt:
05/04/2015
6
Exec Dt:
05/11/2015
7
Exec Dt:
05/04/2015
8
Exec Dt:
05/01/2015
9
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46581
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15703512
Correspondence name and address
SORELL LENNA & SCHMIDT, LLP
99 SMITHTOWN BYP.
2ND FL.
HAUPPAUGE, NY 11788
Assignment: 11
Reel/Frame:051418/0089   Pages: 13
Recorded: 01/06/2020
Attorney Dkt #:SOLLI.064C1(C00008404US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/2014
2
Exec Dt:
04/30/2015
3
Exec Dt:
04/30/2015
4
Exec Dt:
05/12/2015
5
Exec Dt:
05/04/2015
6
Exec Dt:
05/11/2015
7
Exec Dt:
05/04/2015
8
Exec Dt:
05/01/2015
9
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46582
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16544064
Correspondence name and address
MEDTRONIC SPINAL AND BIOLOGICS
2600 SOFAMOR DANEK DRIVE
MEMPHIS, TN 38132
Assignment: 12
Reel/Frame:060370/0297   Pages: 13
Recorded: 06/30/2022
Attorney Dkt #:SOLLI.064C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/2014
2
Exec Dt:
04/30/2015
3
Exec Dt:
04/30/2015
4
Exec Dt:
05/12/2015
5
Exec Dt:
05/04/2015
6
Exec Dt:
05/11/2015
7
Exec Dt:
05/04/2015
8
Exec Dt:
05/01/2015
9
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46582-8598
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16544064
Correspondence name and address
KNOBBE MARTENS OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 13
Reel/Frame:066470/0726   Pages: 13
Recorded: 02/15/2024
Attorney Dkt #:SOLLI.064C2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/2014
2
Exec Dt:
04/30/2015
3
Exec Dt:
04/30/2015
4
Exec Dt:
05/12/2015
5
Exec Dt:
05/04/2015
6
Exec Dt:
05/11/2015
7
Exec Dt:
05/04/2015
8
Exec Dt:
05/01/2015
9
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46582-8598
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17938792
Correspondence name and address
DOCKETING DEPARTMENT
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 14
Reel/Frame:066470/0950   Pages: 13
Recorded: 02/15/2024
Attorney Dkt #:SOLLI.016C1/C2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/2014
2
Exec Dt:
04/30/2015
3
Exec Dt:
04/30/2015
4
Exec Dt:
05/12/2015
5
Exec Dt:
05/04/2015
6
Exec Dt:
05/11/2015
7
Exec Dt:
05/04/2015
8
Exec Dt:
05/01/2015
9
Exec Dt:
05/05/2015
Assignee
1
2500 SILVEUS CROSSING
WARSAW, INDIANA 46582-8598
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
16686593
 
NONE
18056940
Correspondence name and address
DOCKETING DEPARTMENT
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 15
Reel/Frame:037530/0608   Pages: 18
Recorded: 01/20/2016
Attorney Dkt #:082254.0586
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/21/2015
2
Exec Dt:
08/31/2015
3
Exec Dt:
09/01/2015
4
Exec Dt:
09/01/2015
5
Exec Dt:
09/11/2015
6
Exec Dt:
08/21/2015
7
Exec Dt:
08/20/2015
8
Exec Dt:
11/07/2015
9
Exec Dt:
09/14/2015
10
Exec Dt:
11/13/2015
11
Exec Dt:
11/13/2015
12
Exec Dt:
11/23/2015
13
Exec Dt:
11/12/2015
Assignee
1
1 NORTH WAUKEGAN ROAD
NORTH CHICAGO, ILLINOIS 60064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29524017
Correspondence name and address
BAKER BOTTS L.L.P.
30 ROCKEFELLER PLAZA
44TH FLOOR
NEW YORK, NY 10112
Assignment: 16
Reel/Frame:037531/0220   Pages: 18
Recorded: 01/20/2016
Attorney Dkt #:082254.0587
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/21/2015
2
Exec Dt:
08/31/2015
3
Exec Dt:
09/01/2015
4
Exec Dt:
09/01/2015
5
Exec Dt:
09/11/2015
6
Exec Dt:
08/21/2015
7
Exec Dt:
08/20/2015
8
Exec Dt:
11/07/2015
9
Exec Dt:
09/14/2015
10
Exec Dt:
11/13/2015
11
Exec Dt:
11/13/2015
12
Exec Dt:
11/23/2015
13
Exec Dt:
11/12/2015
Assignee
1
1 NORTH WAUKEGAN ROAD
NORTH CHICAGO, ILLINOIS 60064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29524018
Correspondence name and address
BAKER BOTTS L.L.P.
30 ROCKEFELLER PLAZA
44TH FLOOR
NEW YORK, NY 10112
Assignment: 17
Reel/Frame:037531/0823   Pages: 18
Recorded: 01/20/2016
Attorney Dkt #:082254.0588
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/21/2015
2
Exec Dt:
08/31/2015
3
Exec Dt:
09/01/2015
4
Exec Dt:
09/01/2015
5
Exec Dt:
09/11/2015
6
Exec Dt:
08/21/2015
7
Exec Dt:
08/20/2015
8
Exec Dt:
11/07/2015
9
Exec Dt:
09/14/2015
10
Exec Dt:
11/13/2015
11
Exec Dt:
11/13/2015
12
Exec Dt:
11/23/2015
13
Exec Dt:
11/12/2015
Assignee
1
1 NORTH WAUKEGAN ROAD
NORTH CHICAGO, ILLINOIS 60064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29524020
Correspondence name and address
BAKER BOTTS L.L.P.
30 ROCKEFELLER PLAZA
44TH FLOOR
NEW YORK, NY 10112
Assignment: 18
Reel/Frame:037532/0015   Pages: 18
Recorded: 01/20/2016
Attorney Dkt #:082254.0589
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/21/2015
2
Exec Dt:
08/31/2015
3
Exec Dt:
09/01/2015
4
Exec Dt:
09/01/2015
5
Exec Dt:
09/11/2015
6
Exec Dt:
08/21/2015
7
Exec Dt:
08/20/2015
8
Exec Dt:
11/07/2015
9
Exec Dt:
09/14/2015
10
Exec Dt:
11/13/2015
11
Exec Dt:
11/13/2015
12
Exec Dt:
11/23/2015
13
Exec Dt:
11/12/2015
Assignee
1
1 NORTH WAUKEGAN ROAD
NORTH CHICAGO, ILLINOIS 60064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29524024
Correspondence name and address
BAKER BOTTS L.L.P.
30 ROCKEFELLER PLAZA
44TH FLOOR
NEW YORK, NY 10112
Assignment: 19
Reel/Frame:037532/0963   Pages: 18
Recorded: 01/20/2016
Attorney Dkt #:082254.0590
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/21/2015
2
Exec Dt:
08/31/2015
3
Exec Dt:
09/01/2015
4
Exec Dt:
09/01/2015
5
Exec Dt:
09/11/2015
6
Exec Dt:
08/21/2015
7
Exec Dt:
08/20/2015
8
Exec Dt:
11/07/2015
9
Exec Dt:
09/14/2015
10
Exec Dt:
11/13/2015
11
Exec Dt:
11/13/2015
12
Exec Dt:
11/23/2015
13
Exec Dt:
11/12/2015
Assignee
1
1 NORTH WAUKEGAN ROAD
NORTH CHICAGO, ILLINOIS 60064
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29524026
Correspondence name and address
BAKER BOTTS L.L.P.
30 ROCKEFELLER PLAZA
44TH FLOOR
NEW YORK, NY 10112
Assignment: 20
Reel/Frame:046071/0876   Pages: 4
Recorded: 06/13/2018
Attorney Dkt #:1824-003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/08/2018
2
Exec Dt:
06/08/2018
3
Exec Dt:
06/08/2018
4
Exec Dt:
06/08/2018
5
Exec Dt:
06/08/2018
6
Exec Dt:
06/08/2018
Assignee
1
159 N RACINE AVE., 4TH FL
CHICAGO, ILLINOIS 60607
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16004333
Correspondence name and address
RICHARDS PATENT LAW P.C.
233 S. WACKER DR., 84TH FLOOR
CHICAGO, IL 60606

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