Lefkus; John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lefkus; John.The latest application filed is for ""building elements and structures having materials with shielding properties"".
- Lefkus; John - Annandale NJ
| Patent | Date |
|---|---|
| Shielding facility and methods of making thereof Grant 11,437,160 - Ford , et al. September 6, 2 | 2022-09-06 |
| "Building Elements and Structures having Materials with Shielding Properties" App 20220034084 - Lefkus; John | 2022-02-03 |
| Shielding Facility And Methods Ofmaking Thereof App 20210383938 - FORD; John ; et al. | 2021-12-09 |
| Shielding Facility And Methods Ofmaking Thereof App 20210098147 - FORD; John ; et al. | 2021-04-01 |
| Shielding facility and method of making thereof Grant 10,878,974 - Ford , et al. December 29, 2 | 2020-12-29 |
| Shielding Facility And Method Of Making Thereof App 20200194139 - Ford; John ; et al. | 2020-06-18 |
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