Michael Walter Erva

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Menominee, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fire suppression system and emergency annunciation system
- Patent number 10,398,916
- Issue date Sep 3, 2019
- Tyco Fire Products LP
- Michael Walter Erva
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Fire suppression system and emergency annunciation system
- Patent number 9,352,176
- Issue date May 31, 2016
- Tyco Fire Products LP
- Michael Walter Erva
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Fire Suppression System and Emergency Annunciation System
- Publication number 20160263412
- Publication date Sep 15, 2016
- TYCO FIRE PRODUCTS LP
- Michael Walter Erva
- G08 - SIGNALLING
Information Patent Application
Fire Suppression System and Emergency Annunciation System
- Publication number 20080210443
- Publication date Sep 4, 2008
- Michael Walter Erva
- A62 - LIFE-SAVING FIRE-FIGHTING