Matthew J. CZERWINSKI

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Excelsior, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Selectively closable ventilation opening
- Patent number 12,270,566
- Issue date Apr 8, 2025
- Broan-Nutone LLC
- Matthew J. Czerwinski
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
SELECTIVELY CLOSABLE VENTILATION OPENING
- Publication number 20250207809
- Publication date Jun 26, 2025
- Broan-NuTone LLC
- Rick Sinur
- F24 - HEATING RANGES VENTILATING
Information Patent Application
SELECTIVELY CLOSABLE VENTILATION OPENING
- Publication number 20210025619
- Publication date Jan 28, 2021
- Broan-NuTone LLC
- Matthew J. CZERWINSKI
- F24 - HEATING RANGES VENTILATING