Dong Han

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Disposable pet excrement collector
- Patent number 10,030,345
- Issue date Jul 24, 2018
- Dong Han
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
PET TRACTOR WITH STORAGE BIN AND STORAGE BIN OPENING CONTROL METHOD
- Publication number 20230309513
- Publication date Oct 5, 2023
- Dong HAN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
TRACTION MODULE WITH ADJUSTABLE LENGTH LIMIT AND PET TRACTOR WITH T...
- Publication number 20230148568
- Publication date May 18, 2023
- Dong HAN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING