Harold Akers

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Pikeville, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Safe haven wall
- Patent number 9,797,250
- Issue date Oct 24, 2017
- Harold Akers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for providing breathable air to safe havens wi...
- Patent number 8,460,074
- Issue date Jun 11, 2013
- Harold Akers
- A62 - LIFE-SAVING FIRE-FIGHTING