Michael E. Arndt

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Grand Rapids, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Highway sound barrier system
- Patent number 11,377,804
- Issue date Jul 5, 2022
- Phoenix Foam Manufacturing, LLC
- Michael E. Arndt
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
HIGHWAY SOUND BARRIER SYSTEM
- Publication number 20210372061
- Publication date Dec 2, 2021
- Phoenix Foam Manufacturing, LLC
- Michael E. Arndt
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
HIGHWAY SOUND BARRIER SYSTEM
- Publication number 20210002838
- Publication date Jan 7, 2021
- Phoenix Foam Manufacturing, LLC
- Michael E. Arndt
- G10 - MUSICAL INSTRUMENTS ACOUSTICS