Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
JOHNSTON, DAVID C.
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Total Assignments:
4
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Assignment:
1
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| Reel/Frame: | 005016/0577 | |
| Pages: | 1 |
| | Recorded: | 02/09/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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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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07101674
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Correspondence name and address
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EXXON RESEARCH AND ENGINEERING CO.
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P.O. BOX 390
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FLORHAM PARK, NJ 07932
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Assignment:
2
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| Reel/Frame: | 010089/0110 | |
| Pages: | 4 |
| | Recorded: | 06/30/1999 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| P.O. BOX 231 |
| 1600 TECHNOLOGY WAY |
| LATROBE, PENNSYLVANIA 15650 |
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Pat #
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Intl #
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App #
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NONE
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29107535
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Correspondence name and address
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KENNAMETAL, INC
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LARRY R. MEENAN
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1600 TECHNOLOGY WAY
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P.O. BOX 231
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LATROBE, PA 15650
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Assignment:
3
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| Reel/Frame: | 016771/0199 | |
| Pages: | 4 |
| | Recorded: | 11/14/2005 | | |
| Attorney Dkt #: | KD-2343 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 1600 TECHNOLOGY WAY, P. O. BOX 231 |
| KENNAMETAL INC. |
| LATROBE, PENNSYLVANIA 15650-0231 |
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Pat #
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Intl #
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App #
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NONE
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29240721
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Correspondence name and address
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LARRY R. MEENAN
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1600 TECHNOLOGY WAY, P. O. BOX 231
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KENNAMETAL INC.
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LATROBE, PA 15650-0231
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Assignment:
4
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| Reel/Frame: | 056286/0492 | |
| Pages: | 6 |
| | Recorded: | 05/19/2021 | | |
| Attorney Dkt #: | 079036-000045 (118495) |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 201 ISABELLA ST. |
| PITTSBURGH, PENNSYLVANIA 15212-5858 |
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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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17295155
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Correspondence name and address
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ARCONIC VORYS, SATER, SEYMOUR AND PEASE
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909 FANNIN STREET
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SUITE 2700
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HOUSTON, TX 77010
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