Jeffries; Jonathan Patrick
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jeffries; Jonathan Patrick.The latest application filed is for "piston crown to raise compression ratio".
- Jeffries; Jonathan Patrick - Canton MI
| Patent | Date |
|---|---|
| Piston crown to raise compression ratio Grant 9,845,766 - Jeffries , et al. December 19, 2 | 2017-12-19 |
| Piston Crown To Raise Compression Ratio App 20160237945 - JEFFRIES; Jonathan Patrick ; et al. | 2016-08-18 |
| Internal Combustion Engine Cylinder Head With Integral Exhaust Ducting And Turbocharger Housing App 20110173972 - Wade; Robert Andrew ; et al. | 2011-07-21 |
| Variable displacement engine having selectively engageable rocker arm with positioning device Grant 7,913,656 - Magnan , et al. March 29, 2 | 2011-03-29 |
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