| Application number | Title of the application | Filing Date | Status |
|---|
| 07/025693 | MAGNETIC RECORDING MEDIUM | Mar 12, 1987 | Abandoned |
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| 90/001181 | MAGNETIC DEVICE STORAGE DEVICE COATING AND PROCESS | Feb 24, 1987 | Issued |
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| 07/012550 | MAGNETIC CARD | Feb 8, 1987 | Abandoned |
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