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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 : DAS, KAMAL K.
Total Assignments: 12
Assignment: 1
Reel/Frame:017029/0567   Pages: 4
Recorded: 09/22/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/22/2005
2
Exec Dt:
09/22/2005
3
Exec Dt:
09/22/2005
Assignee
1
P.O. BOX 62
BOSCH 69
HUNENBERG, SWITZERLAND CH-6331
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11233210
Correspondence name and address
ALCON RESEARCH, LTD.
MAIL CODE Q-148
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 2
Reel/Frame:018271/0994   Pages: 5
Recorded: 09/01/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/29/2006
2
Exec Dt:
07/07/2006
3
Exec Dt:
07/07/2006
4
Exec Dt:
06/29/2006
Assignee
1
6201 SOUTH FREEWAY
MAIL CODE TB4-8
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11479223
Correspondence name and address
ALCON RESEARCH, LTD.
MAIL CODE TB4-8
6210 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Assignment: 3
Reel/Frame:020046/0542   Pages: 3
Recorded: 10/25/2007
Attorney Dkt #:3226 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/23/2007
2
Exec Dt:
10/24/2007
Assignee
1
BOX 62, BOSCH 69
HUNENBERG, SWITZERLAND CH-6331
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11742320
Correspondence name and address
JEFFREY S. SCHIRA
6201 SOUTH FREEWAY
TB 4-8
FORT WORTH, TX 76134
Assignment: 4
Reel/Frame:021226/0706   Pages: 5
Recorded: 07/11/2008
Attorney Dkt #:3158
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/11/2008
2
Exec Dt:
07/11/2008
Assignee
1
P. O. BOX 62
BOSCH 69
HUNENBERG, SWITZERLAND CH-6331
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12171760
Correspondence name and address
ALCON
IP LEGAL, TB4-8
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 5
Reel/Frame:031454/0373   Pages: 7
Recorded: 10/22/2013
Attorney Dkt #:PAT905137-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/10/2013
2
Exec Dt:
10/10/2013
3
Exec Dt:
10/10/2013
Assignee
1
LICHTSTRASSE 35
BASEL, SWITZERLAND CH-4056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14060144
Correspondence name and address
ALCON
IP LEGAL, TB4-8
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 6
Reel/Frame:048805/0533   Pages: 5
Recorded: 04/05/2019
Attorney Dkt #:PAT058092-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/05/2018
2
Exec Dt:
04/05/2018
Assignee
1
6201 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16376045
Correspondence name and address
ALCON
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 7
Reel/Frame:048806/0207   Pages: 8
Recorded: 04/05/2019
Attorney Dkt #:PAT058384-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/15/2019
2
Exec Dt:
02/10/2019
Assignee
1
6201 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16376064
Correspondence name and address
ALCON
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 8
Reel/Frame:055460/0765   Pages: 5
Recorded: 03/02/2021
Attorney Dkt #:PAT058631
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/20/2020
2
Exec Dt:
12/08/2020
Assignee
1
6201 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17189922
Correspondence name and address
ALCON INC. C/O ALCON RESEARCH LLC
IP LEGAL
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 9
Reel/Frame:063049/0752   Pages: 5
Recorded: 03/21/2023
Attorney Dkt #:PAT058631
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/20/2020
2
Exec Dt:
12/08/2020
Assignee
1
6201 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
18068877
Correspondence name and address
ALCON
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 10
Reel/Frame:058352/0907   Pages: 4
Recorded: 12/09/2021
Attorney Dkt #:PAT058754
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
04/05/2021
Assignee
1
6201 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17546987
Correspondence name and address
ALCON
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 11
Reel/Frame:059878/0235   Pages: 4
Recorded: 05/10/2022
Attorney Dkt #:PAT058805
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/28/2021
Assignee
1
6201 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17661175
Correspondence name and address
ALCON
6201 SOUTH FREEWAY
FORT WORTH, TX 76134
Assignment: 12
Reel/Frame:060023/0831   Pages: 4
Recorded: 05/26/2022
Attorney Dkt #:PAT058809
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/28/2021
Assignee
1
6201 SOUTH FREEWAY
FORT WORTH, TEXAS 76134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17804119
Correspondence name and address
ALCON
6201 SOUTH FREEWAY
FORT WORTH, TX 76134

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