Karr; John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Karr; John.The latest application filed is for "multi-layer underlayment pad for use under sporting surfaces".
- Karr; John - New Albany IN
- Karr; John - Ringgold GA
| Patent | Date |
|---|---|
| Navigation assistance for the visually impaired Grant 11,318,050 - Creasy , et al. May 3, 2 | 2022-05-03 |
| Multi-layer Underlayment Pad For Use Under Sporting Surfaces App 20210354019 - Karr; John | 2021-11-18 |
| Protective foam layer for activity surfaces Grant 10,870,951 - Karr , et al. December 22, 2 | 2020-12-22 |
| Protective Foam Layer For Activity Surfaces App 20190276990 - Karr; John ; et al. | 2019-09-12 |
| Navigation Assistance For The Visually Impaired App 20190224049 - Creasy; Daniel Keith ; et al. | 2019-07-25 |
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