Treyben P. Kehren

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Goodhue, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Personal descent system
- Patent number 10,792,520
- Issue date Oct 6, 2020
- D B INDUSTRIES, LLC
- Michael A. Boraas
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
PERSONAL DESCENT SYSTEM
- Publication number 20160074681
- Publication date Mar 17, 2016
- D B INDUSTRIES, LLC
- Michael A. Boraas
- A62 - LIFE-SAVING FIRE-FIGHTING