| Application number | Title of the application | Filing Date | Status |
|---|
| 07/468148 | DEVICE FOR REMOVAL OF PARTICULATES FROM EXHAUST AND FLUE GASES | Jan 21, 1990 | Abandoned |
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[patent_issue_date] => 1991-05-14
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| 07/456334 | ENGINE EXHAUST SYSTEM WITH SEQUENTIAL LOADING OF MULTIPLE FILTERS | Dec 25, 1989 | Abandoned |
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[patent_title] => 'Exhaust gas line system for a supercharged internal combustion engine'
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[patent_app_number] => 7/450226
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| 07/449966 | EXHAUST GAS CLEANING DEVICE FOR DIESEL ENGINES | Dec 11, 1989 | Abandoned |
| 07/448479 | METAL-MADE CARRIER BODY FOR EXHAUST GAS CLEANING CATALYST | Dec 10, 1989 | Abandoned |
Array
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[patent_issue_date] => 1992-05-19
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| 07/440941 | AIR FLOW/CHECK VALVE | Nov 21, 1989 | Abandoned |
Array
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