Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
Assignor Name :
COSPER DAVID R.
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Total Assignments:
4
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Assignment:
1
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Reel/Frame: | 003818/0610 | |
| Pages: | 1 |
| | Recorded: | 01/02/1981 | | |
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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06044669
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Correspondence name and address
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JOHN G. PREMO
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NALCO CHEMICAL CO.
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2901 BUTTERFIELD RD.
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OAK BROOK, IL 60521
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Assignment:
2
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Reel/Frame: | 003808/0102 | |
| Pages: | 1 |
| | Recorded: | 10/23/1980 | | |
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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06086239
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Correspondence name and address
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JOHN G. PREMO
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NALCO CHEMICAL CO.
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2901 BUTTERFIELD RD.
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OAK BROOK, IL 60521
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Assignment:
3
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Reel/Frame: | 003792/0469 | |
| Pages: | 1 |
| | Recorded: | 08/21/1980 | | |
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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06094513
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Correspondence name and address
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JOHN G. PREMO
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NALCO CHEMICAL CO.
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2901 BUTTERFIELD RD.
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OAK BROOK, IL 60521
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Assignment:
4
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Reel/Frame: | 003865/0550 | |
| Pages: | 1 |
| | Recorded: | 06/25/1981 | | |
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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06176230
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Correspondence name and address
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JOHN G. PREMO , NALCO CHEM. CO.
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2901 BUTTERFIELD ROAD
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OAK BROOK, IL 60521
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06/04/2024 02:04 AM
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