Francis M. Plumb

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Issaquah, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Scope mount apparatus for manipulating the magnification of an opti...
- Patent number 10,161,718
- Issue date Dec 25, 2018
- Handl Defense, LLC
- Francis M. Plumb
- F41 - WEAPONS
Information Patent Grant
Trajectory compensating reticle for accurate engagement of a target...
- Patent number 10,073,277
- Issue date Sep 11, 2018
- Handl Defense, LLC
- Francis M. Plumb
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
SOLAR POWERED ILLUMINATION FOR ETCHED RETICLES IN OPTICS
- Publication number 20250035943
- Publication date Jan 30, 2025
- James Labita
- G02 - OPTICS
Information Patent Application
STABILIZING FIXTURE FOR FIREARM RECEIVERS
- Publication number 20210372717
- Publication date Dec 2, 2021
- Plumb Precision Products LLC
- Francis M. Plumb
- F41 - WEAPONS
Information Patent Application
Magazine Well Insert for Interchanging Firearm Magazine Types
- Publication number 20170146308
- Publication date May 25, 2017
- Handl Defense, LLC
- Francis M. Plumb
- F41 - WEAPONS
Information Patent Application
Universal Bolt Carrier Group with Interchangeable Weights
- Publication number 20170115078
- Publication date Apr 27, 2017
- Handl Defense, LLC
- Francis M. Plumb
- F41 - WEAPONS
Information Patent Application
Trajectory Compensating Reticle for Accurate Engagement of a Target...
- Publication number 20170102553
- Publication date Apr 13, 2017
- Handl Defense, LLC
- Francis M. Plumb
- G02 - OPTICS
Information Patent Application
Scope Mount Apparatus for Manipulating the Magnification of an Opti...
- Publication number 20170102208
- Publication date Apr 13, 2017
- Handl Defense, LLC
- Francis M. Plumb
- G02 - OPTICS
Information Patent Application
Recoil Impulse Reducing Bolt Carrier Group for Firearms
- Publication number 20160370135
- Publication date Dec 22, 2016
- Francis M. Plumb
- F41 - WEAPONS