Peihua Yu

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Elmhurst, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Pipe unclogging device
- Patent number 11,686,077
- Issue date Jun 27, 2023
- Peihua Yu
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
PIPE UNCLOGGING DEVICE
- Publication number 20220341140
- Publication date Oct 27, 2022
- Peihua Yu
- E03 - WATER SUPPLY SEWERAGE