| Application number | Title of the application | Filing Date | Status |
|---|
| 07/752643 | RECEIVER | Aug 22, 1991 | Abandoned |
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| 07/739457 | METHOD OF SELECTING RECEIVING FREQUENCY FOR RDS RECEIVER | Aug 1, 1991 | Abandoned |
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| 07/735884 | TELEVISION AUDIENCE DATA GATHERING | Jul 24, 1991 | Abandoned |
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| 07/720773 | SATELLITE RADIO RECEIVER | Jul 1, 1991 | Abandoned |
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