Olson; Douglas Dean
Patent Applications and Registrations
Patent applications and USPTO patent grants for Olson; Douglas Dean.The latest application filed is for "two-stage, drop-in trigger assembly".
- Olson; Douglas Dean - Huntsville AR
| Patent | Date |
|---|---|
| Two-stage, Drop-in Trigger Assembly App 20210254918 - Olson; Douglas Dean ; et al. | 2021-08-19 |
| Two-stage, drop-in trigger assembly Grant 10,837,728 - Olson , et al. November 17, 2 | 2020-11-17 |
| Two-stage, Drop-in Trigger Assembly App 20200096278 - Olson; Douglas Dean ; et al. | 2020-03-26 |
| Two-stage, drop-in trigger assembly Grant 10,488,134 - Olson , et al. Nov | 2019-11-26 |
| Two-stage, Drop-in Trigger Assembly App 20190257606 - Olson; Douglas Dean ; et al. | 2019-08-22 |
| Bridged extractor spring for firearms Grant 7,627,974 - Olson December 8, 2 | 2009-12-08 |
| Bridged extractor spring for firearms App 20080209788 - Olson; Douglas Dean | 2008-09-04 |
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