Dave A. Adolfson

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Rifle guard rapid configuration system
- Patent number 8,839,545
- Issue date Sep 23, 2014
- J&K IP Assets, LLC
- John Paul Gangl
- F41 - WEAPONS
Information Patent Grant
Captured spring assembly for a firearm
- Patent number 8,800,424
- Issue date Aug 12, 2014
- J&K IP Assets, LLC
- John P. Gangl
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
Captured Spring Assembly for a Firearm
- Publication number 20130319217
- Publication date Dec 5, 2013
- John P. Gangl
- F41 - WEAPONS