Shumao Han

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dispensing device
- Patent number 9,498,554
- Issue date Nov 22, 2016
- S. C. Johnson & Son, Inc.
- Hai Yan Cao
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dispensing device
- Patent number D733275
- Issue date Jun 30, 2015
- S. C. Johnson & Son, Inc.
- Hai Yan Cao
- D23 - Environmental heating and cooling
Information Patent Grant
Dispensing device
- Patent number D730505
- Issue date May 26, 2015
- S. C. Johnson & Son, Inc.
- Hai Yan Cao
- D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

Information Patent Application
Volatile Material Dispensing System
- Publication number 20150201604
- Publication date Jul 23, 2015
- S.C. JOHNSON & SON, INC.
- Hai Yan Cao
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Dispensing Device
- Publication number 20140027530
- Publication date Jan 30, 2014
- Hai Yan Cao
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING