Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
Assignor Name :
DRESSLER HANS
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Total Assignments:
2
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Assignment:
1
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Reel/Frame: | 003886/0049 | |
| Pages: | 1 |
| | Recorded: | 08/03/1981 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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KOPPERS BLDG. |
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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06171450
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Correspondence name and address
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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: | 003821/0424 | |
| Pages: | 1 |
| | Recorded: | 01/07/1981 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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KOPPERS BLDG. |
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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06098920
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Correspondence name and address
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DONALD M. MAC KAY
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1450 KOPPERS BLDG.
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PITTSBURGH, PA 15219
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05/23/2024 02:16 PM
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