Rafi; Mohammad Usman
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rafi; Mohammad Usman.The latest application filed is for "filter structure for removing contaminants from stream of fluid".
- Rafi; Mohammad Usman - Fenham GB
- Rafi; Mohammad Usman - Newcastle upon Tyne GB
| Patent | Date |
|---|---|
| Filter structure for removing contaminants from stream of fluid Grant 9,415,340 - Rafi , et al. August 16, 2 | 2016-08-16 |
| Filter Structure for Removing Contaminants from Stream of Fluid App 20150033687 - Rafi; Mohammad Usman ; et al. | 2015-02-05 |
| Filter structure for removing contaminants from stream of fluid Grant 8,834,591 - Rafi , et al. September 16, 2 | 2014-09-16 |
| Filter Structure for Removing Contaminants from Stream of Fluid App 20120079798 - Rafi; Mohammad Usman ; et al. | 2012-04-05 |
| Air filter Grant D652,498 - Rafi January 17, 2 | 2012-01-17 |
| Air filter Grant D652,130 - Rafi January 10, 2 | 2012-01-10 |
| Air filter Grant D641,461 - Rafi July 12, 2 | 2011-07-12 |
| Air filter Grant D641,462 - Rafi July 12, 2 | 2011-07-12 |
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