Littlefield; Joseph Ralph
Patent Applications and Registrations
Patent applications and USPTO patent grants for Littlefield; Joseph Ralph.The latest application filed is for "powertrain including modular drive unit".
- Littlefield; Joseph Ralph - Waterford MI
- Littlefield; Joseph Ralph - Sterling Heights MI
| Patent | Date |
|---|---|
| Powertrain including modular drive unit Grant 10,377,221 - Holmes , et al. A | 2019-08-13 |
| Ball cam actuated dog clutch Grant 10,094,427 - Littlefield , et al. October 9, 2 | 2018-10-09 |
| Powertrain with multi-planetary, single motor drive unit Grant 9,950,607 - Littlefield , et al. April 24, 2 | 2018-04-24 |
| Powertrain Including Modular Drive Unit App 20170136867 - Holmes; Alan G. ; et al. | 2017-05-18 |
| Powertrain With Multi-planetary, Single Motor Drive Unit App 20170136870 - Littlefield; Joseph Ralph ; et al. | 2017-05-18 |
| Ball Cam Actuated Dog Clutch App 20170108052 - Littlefield; Joseph Ralph ; et al. | 2017-04-20 |
| Pawl grounding clutch with synchronizer Grant 9,574,619 - Littlefield February 21, 2 | 2017-02-21 |
| Vehicle Grant 8,813,896 - Littlefield , et al. August 26, 2 | 2014-08-26 |
| Vehicle App 20140202280 - Littlefield; Joseph Ralph ; et al. | 2014-07-24 |
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