Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
HELLSTERN, RICHARD
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Total Assignments:
7
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Assignment:
1
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| Reel/Frame: | 004929/0921 | |
| Pages: | 2 |
| | Recorded: | 09/02/1988 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 550 MADISON AVENUE |
| NEW YORK, NEW YORK 10022-3201 |
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Pat #
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Intl #
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NONE
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07240022
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Correspondence name and address
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JOHN P. MC DONNELL
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AT & T BELL LABS.
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600 MOUNTAIN AVE.
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MURRAY HILL, NJ 07974-2070
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Assignment:
2
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| Reel/Frame: | 011803/0141 | |
| Pages: | 14 |
| | Recorded: | 05/10/2001 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 32 AVENUE OF THE AMERICAS |
| NEW YORK, NEW YORK 10013 |
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Pat #
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App #
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NONE
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09711549
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Correspondence name and address
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AT&T CORP.
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SAMUEL H. DWORETSKY
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P.O. BOX 4110
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MIDDLETOWN, NEW JERSEY 07748-4110
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Assignment:
3
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| Reel/Frame: | 012450/0924 | |
| Pages: | 8 |
| | Recorded: | 11/07/2001 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 32 AVENUE OF THE AMERICAS |
| NEW YORK, NEW YORK 10013 |
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Pat #
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Intl #
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App #
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NONE
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10035306
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Correspondence name and address
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AT&T CORP.
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SAMUEL H. DWORETSKY
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P.O. BOX 4110
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MIDDLETOWN, NJ 07748-4110
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Assignment:
4
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| Reel/Frame: | 042345/0692 | |
| Pages: | 3 |
| | Recorded: | 04/26/2017 | | |
| Attorney Dkt #: | 2016-0534/60027.5933US01 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 1900 GALLOWS ROAD |
| VIENNA, VIRGINIA 22182 |
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Pat #
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Pub #
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Intl #
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App #
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15497672
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Correspondence name and address
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AT&T LEGAL DEPARTMENT - H&C ATTN: PATENT
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ONE AT&T WAY
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ROOM 2A-207
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BEDMINSTER, NJ 07921
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Assignment:
5
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| Reel/Frame: | 048860/0873 | |
| Pages: | 3 |
| | Recorded: | 04/11/2019 | | |
| Attorney Dkt #: | 2017-1195 ATT TECH SRV CO |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 1900 GALLOWS ROAD |
| VIENNA, VIRGINIA 22182 |
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Pat #
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Pub #
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Intl #
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App #
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16150834
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Correspondence name and address
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AT&T LEGAL DEPARTMENT - TRBK
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ONE AT&T WAY
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ROOM 2A-212
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BEDMINSTER, NJ 07921
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Assignment:
6
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| Reel/Frame: | 061621/0570 | |
| Pages: | 3 |
| | Recorded: | 11/01/2022 | | |
| Attorney Dkt #: | 2017-1195CON (TECH SERV) |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 1900 GALLOWS ROAD |
| VIENNA, VIRGINIA 22182 |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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18045315
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Correspondence name and address
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AT&T LEGAL DEPARTMENT - TRBK
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ONE AT&T WAY
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ROOM 2A-212
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BEDMINSTER, NJ 07921
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Assignment:
7
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| Reel/Frame: | 054452/0888 | |
| Pages: | 3 |
| | Recorded: | 11/24/2020 | | |
| Attorney Dkt #: | 2020-0502/27.6124US01 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 1900 GALLOWS ROAD |
| VIENNA, VIRGINIA 22182 |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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17102471
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Correspondence name and address
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AT&T LEGAL DEPARTMENT - H&C ATTN: PATENT
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ONE AT&T WAY
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ROOM 2A-207
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BEDMINSTER, NJ 07921
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05/30/2024 02:14 PM
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