Maxwell Everett Frey

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Englewood, CO, US

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Patents Applicationslast 30 patents

Information Patent Application
On-Vehicle Carbon Monoxide Detector
- Publication number 20140074383
- Publication date Mar 13, 2014
- Maxwell Everett Frey
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Underwater Signaling Device
- Publication number 20140069314
- Publication date Mar 13, 2014
- Maxwell Everett Frey
- G10 - MUSICAL INSTRUMENTS ACOUSTICS