Plumb; Francis M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Plumb; Francis M..The latest application filed is for "stabilizing fixture for firearm receivers".
- Plumb; Francis M. - Issaquah WA
| Patent | Date |
|---|---|
| Stabilizing Fixture For Firearm Receivers App 20210372717 - Plumb; Francis M. ; et al. | 2021-12-02 |
| Scope mount apparatus for manipulating the magnification of an optical scope Grant 10,161,718 - Plumb , et al. Dec | 2018-12-25 |
| Trajectory compensating reticle for accurate engagement of a target at an unknown distance Grant 10,073,277 - Plumb September 11, 2 | 2018-09-11 |
| Magazine Well Insert for Interchanging Firearm Magazine Types App 20170146308 - Plumb; Francis M. | 2017-05-25 |
| Universal Bolt Carrier Group with Interchangeable Weights App 20170115078 - Plumb; Francis M. | 2017-04-27 |
| Scope Mount Apparatus for Manipulating the Magnification of an Optical Scope App 20170102208 - Plumb; Francis M. ; et al. | 2017-04-13 |
| Trajectory Compensating Reticle for Accurate Engagement of a Target at an Unknown Distance App 20170102553 - Plumb; Francis M. | 2017-04-13 |
| Recoil Impulse Reducing Bolt Carrier Group for Firearms App 20160370135 - Plumb; Francis M. ; et al. | 2016-12-22 |
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