Wai For Wong

Follow

Person

New Territories, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Digging apparatus
- Patent number 11,047,174
- Issue date Jun 29, 2021
- TECHTRONIC CORDLESS GP
- Wai For Wong
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
OUTDOOR SURFACE CLEANING APPARATUS WITH SPRAY MECHANISM
- Publication number 20230055153
- Publication date Feb 23, 2023
- TECHTRONIC CORDLESS GP
- WAI CHUNG LEE
- B08 - CLEANING
Information Patent Application
OUTDOOR SURFACE CLEANING APPARATUS WITH SPRAY MECHANISM
- Publication number 20230059781
- Publication date Feb 23, 2023
- TECHTRONIC CORDLESS GP
- Wai Chung LEE
- A46 - BRUSHWARE
Information Patent Application
OUTDOOR SURFACE CLEANING APPARATUS WITH SPRAY MECHANISM
- Publication number 20230053531
- Publication date Feb 23, 2023
- TECHTRONIC CORDLESS GP
- WAI CHUNG LEE
- B08 - CLEANING
Information Patent Application
DIGGING APPARATUS
- Publication number 20200095830
- Publication date Mar 26, 2020
- TTI (MACO COMMERCIAL OFFSHORE) LIMITED
- Wai For Wong
- E21 - EARTH DRILLING MINING