RongAi Ma

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Transport refrigeration unit with auxiliary power circuit and inter...
- Patent number 9,625,206
- Issue date Apr 18, 2017
- Carrier Corporation
- RongAi Ma
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TRANSPORT REFRIGERATION UNIT WITH AUXILIARY POWER CIRCUIT AND INTER...
- Publication number 20130113289
- Publication date May 9, 2013
- Carrier Corporation
- RongAi Ma
- B60 - VEHICLES IN GENERAL