Pingping Ma

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Orefield, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
Method For Fire Suppression
- Publication number 20080115949
- Publication date May 22, 2008
- Air Products and Chemicals, Inc.
- Xianming Jimmy Li
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Decentralized oxygen supply system for aquaculture
- Publication number 20040149234
- Publication date Aug 5, 2004
- Ashok N. Mathur
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING