Hopfer; Paul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hopfer; Paul.The latest application filed is for "filter clamp lock".
- Hopfer; Paul - Holly Springs NC
| Patent | Date |
|---|---|
| Filter clamp lock Grant 10,995,781 - Richiuso , et al. May 4, 2 | 2021-05-04 |
| Filter Clamp Lock App 20200182274 - Richiuso; Leonard ; et al. | 2020-06-11 |
| Filter clamp lock Grant 10,563,682 - Richiuso , et al. Feb | 2020-02-18 |
| Filter Clamp Lock App 20190024686 - Richiuso; Leonard ; et al. | 2019-01-24 |
| Filter clamp lock Grant 10,082,164 - Richiuso , et al. September 25, 2 | 2018-09-25 |
| Filter Clamp Lock App 20160040696 - Richiuso; Leonard ; et al. | 2016-02-11 |
| Filter clamp lock Grant 9,194,493 - Richiuso , et al. November 24, 2 | 2015-11-24 |
| Filter Clamp Lock App 20130081256 - Richiuso; Leonard ; et al. | 2013-04-04 |
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