Patent Assignment Details
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| Reel/Frame: | 049308/0669 | |
| Pages: | 4 |
| | Recorded: | 05/29/2019 | | |
| Attorney Dkt #: | MIP-430 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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05/04/2021
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Application #:
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16425333
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Filing Dt:
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05/29/2019
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Publication #:
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Pub Dt:
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12/05/2019
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Title:
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AN ETCHING COMPOSITION EFFECTIVE TO SELECTIVELY WET ETCH A SILICON NITRIDE FILM
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Assignee
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| 45, SANDAN-RO 15BEON-GIL |
| PYEONGTAEK-SI, GYEONGGI-DO, KOREA, REPUBLIC OF |
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Correspondence name and address
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RABIN & BERDO, P.C.
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1101 14TH ST., N.W., SUITE 500
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WASHINGTON, DC 20005
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08/15/2025 09:34 PM
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