Thomas J. Hansel

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Fort Wayne, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Air purification respirator voice amplifier
- Patent number 9,833,644
- Issue date Dec 5, 2017
- Undersea Sensor Systems, Inc.
- Thomas J Hansel
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Air Purification Respirator Voice Amplifier
- Publication number 20160059051
- Publication date Mar 3, 2016
- UnderSea Sensor Systems, Inc.
- Thomas J. Hansel
- A62 - LIFE-SAVING FIRE-FIGHTING