Johnson; Delbert Dale
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Delbert Dale.The latest application filed is for "mobility assistance device".
- Johnson; Delbert Dale - San Diego CA
| Patent | Date |
|---|---|
| Mobility assistance device Grant 10,512,584 - Goodsell , et al. Dec | 2019-12-24 |
| Mobility Assistance Device App 20170071815 - Goodsell; Kim ; et al. | 2017-03-16 |
| Air purifier Grant D714,923 - Engelhard , et al. October 7, 2 | 2014-10-07 |
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