Spykerman; David Joel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Spykerman; David Joel.The latest application filed is for "firearm magazine extension article".
- Spykerman; David Joel - Chandler AZ
| Patent | Date |
|---|---|
| Firearm magazine extension article Grant 11,408,697 - Szczepkowski , et al. August 9, 2 | 2022-08-09 |
| Firearm Magazine Extension Article App 20170321979 - Szczepkowski; Michael Przemyslaw ; et al. | 2017-11-09 |
| Adjustable firearm Grant 9,383,162 - Spykerman , et al. July 5, 2 | 2016-07-05 |
| Adjustable Firearm App 20160003576 - Spykerman; David Joel ; et al. | 2016-01-07 |
| Quick Loading Firearm Magazine Systems and Methods App 20160003568 - Spykerman; David Joel ; et al. | 2016-01-07 |
| Seat With Adjustable Thigh Support Assembly App 20080231099 - Szczepkowski; Michael Przemyslaw ; et al. | 2008-09-25 |
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