Hartley; Rolfe
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hartley; Rolfe.The latest application filed is for "soot dispersant".
- Hartley; Rolfe - Jinzhou CN
- Hartley; Rolfe - Rockway NJ
| Patent | Date |
|---|---|
| Soot dispersant Grant 10,865,358 - Hua , et al. December 15, 2 | 2020-12-15 |
| Optimized composition for engine deposits and seals Grant 10,487,287 - Hartley , et al. Nov | 2019-11-26 |
| Soot Dispersant App 20190300812 - HUA; Jun ; et al. | 2019-10-03 |
| Optimized Composition For Engine Deposits And Seals App 20170190998 - HARTLEY; Rolfe ; et al. | 2017-07-06 |
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