Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
YU, GUI-YU
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Total Assignments:
2
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Assignment:
1
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| Reel/Frame: | 004536/0389 | |
| Pages: | 4 |
| | Recorded: | 04/21/1986 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| KOPPERS BUILDING |
| PITTSBURGH, PENNSYLVANIA 15219 |
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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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06744681
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Correspondence name and address
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DONALD M. MAC KAY
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KOPPERS CO., INC.
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1450 KOPPERS BLDG.
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PITTSBURGH, PA 15219
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Assignment:
2
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| Reel/Frame: | 004528/0341 | |
| Pages: | 4 |
| | Recorded: | 04/07/1986 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| KOPPERS BUILDING |
| A CORP. OF DE |
| PITTSBURGH, PENNSYLVANIA 15219 |
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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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06744681
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Correspondence name and address
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DONALD M. MAC KAY
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KOPPERS CO., INC.
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1450 KOPPERS BLDG.
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PITTSBURGH, PA 15219
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06/03/2024 01:00 PM
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