Patent Assignment Assignee Details
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For pending or abandoned applications please consult USPTO staff.
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Assignee Name :
KOPPERS INC.
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Total Assignments:
4
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Assignment:
1
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| Reel/Frame: | 023163/0001 | |
| Pages: | 5 |
| | Recorded: | 08/28/2009 | | |
| Attorney Dkt #: | KOPPERS 260714.20001.1397 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 436 7TH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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NONE
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08207118
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NONE
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08300749
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NONE
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08665670
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NONE
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09161135
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NONE
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09273600
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NONE
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09689330
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Correspondence name and address
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KIRSTEN R. RYDSTROM
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P.O. BOX 488
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PITTSBURGH, PA 15230-0488
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Assignment:
2
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| Reel/Frame: | 033586/0624 | |
| Pages: | 9 |
| | Recorded: | 08/21/2014 | | |
| Attorney Dkt #: | 0011046-301220 |
| Conveyance: | TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AND TRADEMARKS |
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Assignees
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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NONE
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07183055
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NONE
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08513329
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NONE
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09140927
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09853372
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Correspondence name and address
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DUANE A. STEWART III
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301 GRANT STREET
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20TH FLOOR
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PITTSBURGH, PA 15219
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Assignment:
3
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| Reel/Frame: | 033586/0727 | |
| Pages: | 26 |
| | Recorded: | 08/21/2014 | | |
| Attorney Dkt #: | 0011046-301220 |
| Conveyance: | TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AND TRADEMARKS |
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Assignees
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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Pat #
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Pub #
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App #
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Pub #
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App #
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NONE
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07704754
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NONE
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07832425
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NONE
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08156240
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NONE
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08513329
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09853372
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10476017
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11388238
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NONE
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12280459
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Correspondence name and address
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DUANE A. STEWART III
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301 GRANT STREET
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20TH FLOOR
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PITTSBURGH, PA 15219
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Assignment:
4
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| Reel/Frame: | 033586/0956 | |
| Pages: | 36 |
| | Recorded: | 08/21/2014 | | |
| Attorney Dkt #: | 0011046-301220 |
| Conveyance: | TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AND TRADEMARKS |
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Assignees
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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| 436 SEVENTH AVENUE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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Pat #
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Pub #
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Pub #
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NONE
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08207118
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NONE
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08246596
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NONE
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08300749
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NONE
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08665670
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NONE
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09089958
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NONE
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09161135
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NONE
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09273600
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NONE
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09689330
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NONE
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09723354
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09941010
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10838172
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10838173
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11269160
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11375372
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11503865
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11900635
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12199915
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12353269
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13037483
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13350886
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NONE
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13473074
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NONE
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29181073
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NONE
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29221351
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NONE
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29236399
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Correspondence name and address
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DUANE A. STEWART III
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301 GRANT STREET
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20TH FLOOR
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PITTSBURGH, PA 15219
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